Quotations about:
    knowledge


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Science doesn’t supply happiness; but neither does its lack. The same can be said of social utopias: they aren’t created by science, but neither does lack of science provide them. Science has cast up dangerous and cruel knowledge, which has been exploited for warfare and dictatorial power; but so have cultures so little gifted with scientists that they either make do with imported weapons or rely on clubs, axes, and daggers. Scientific information about our mistakes — for instance, that deforestation invites mud slides and deserts, that overfishing depletes fish stocks — doesn’t guarantee we will avoid such mistakes or correct them, but that is owing to failure to heed what science uncovers.

Jane Jacobs
Jane Jacobs (1916-2006) American-Canadian journalist, author, urban theorist, activist
Dark Age Ahead, ch. 3 “Science Abandoned” (2004)
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Added on 11-Mar-24 | Last updated 11-Mar-24
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And he respects Owl, because you can’t help respecting anyone who can spell TUESDAY, even if he doesn’t spell it right; but spelling isn’t everything. There are days when spelling Tuesday simply doesn’t count.

A. A. Milne (1882-1956) English poet and playwright [Alan Alexander Milne]
House at Pooh Corner, ch. 5 (1928)

Rabbit, speaking to himself about Christopher Robin.
 
Added on 28-Feb-24 | Last updated 28-Feb-24
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No desire is more natural than the desire for knowledge. We assay all the means that can lead us to it. When reason fails us we make use of experience. Experience is a weaker and less dignified means: but truth is so great a matter that we must not disdain any method that leads us to it.

[Il n’est desir plus naturel que le desir de cognoissance. Nous essayons tous les moyens qui nous y peuvent mener. Quand la raison nous faut, nous y employons l’experience. Qui est un moyen de beaucoup plus foible et plus vil. Mais la verité est chose si grande, que nous ne devons desdaigner aucune entremise qui nous y conduise.]

Michel de Montaigne (1533-1592) French essayist
Essays, Book 3, ch. 13 “On Experience [De l’Experience]” (1588) (3.13) (1595) [tr. Screech (1987)]
    (Source)

Aristotle's Metaphysics opens with the phrase "All men by nature desire knowledge."

The 1595 edition included a quotation from Manilius inserted after the word "experience" (omitted here). It also added the second descriptor (after "weaker") of how experience compares to reason.

(Source (French)). Alternate translations:

There is no desire more naturall, then that of knowledge. We attempt all meanes that may bring us unto it. When reason failes us, we employ experience. Which is a meane by much more, weake and vile. But trueth is of so great consequence, that wee ought not disdaine any induction, that may bring us unto it.
[tr. Florio (1603)]

There is no Desire more natural than that of Knowledge: We try all Ways that can lead us to it; where Reason is wanting, we therein employ Experience which is a Means much more weak and cheap. But Truth is so great a thing, that we ought not to disdain any Mediation that will guide us to it.
[tr. Cotton (1686)]

There is no desire more natural than that of knowledge. We try all ways that can lead us to it; where reason is wanting, we therein employ experience which is a means much more weak and cheap; but truth is so great a thing, that we ought not to disdain any mediation that will guide us to it.
[tr. Cotton/Hazlitt (1877)]

There is no desire more natural than the desire for knowledge. We make trial of all means that can lead us to it. When reasoning fails us, we then make use of experience, which is a much feebler and lower means; but truth is so great a thing that we must not disdain any medium that leads us to it.
[tr. Ives (1925)]

There is no desire more natural than the desire for knowledge. We try all the ways that can lead us to it. When reason fails us, we use experience, which is a weaker and less dignified means. But truth is so great a thing that we must not disdain any medium that will lead us to it.
[tr. Frame (1943)]

 
Added on 23-Feb-24 | Last updated 14-Mar-24
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Knowledge is not happiness, and science
But an exchange of ignorance for that
Which is another kind of ignorance.

Lord Byron
George Gordon, Lord Byron (1788-1824) English poet
“Manfred,” Act 2, sc. 4 [First Destiny] (1817)
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Added on 11-Jan-24 | Last updated 11-Jan-24
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I should like to say that you have, through your knowledge, powers which humans have never had before. You can use these powers well or you can use them ill. You will use them well if you realize that humankind is all one family and that we can all be happy or we can all be miserable.

Bertrand Russell
Bertrand Russell (1872-1970) English mathematician and philosopher
Interview by Woodrow Wyatt, BBC TV (1959)

Collected in Bertrand Russell's BBC Interviews (1959) [UK] and Bertrand Russell Speaks His Mind (1960) [US].
 
Added on 10-Jan-24 | Last updated 10-Jan-24
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None are so fond of secrets as those who do not mean to keep them; such persons covet secrets as a spendthrift covets money, for the purpose of circulation.

Charles Caleb "C. C." Colton (1780-1832) English cleric, writer, aphorist
Lacon: Or, Many Things in Few Words, Vol. 1, § 40 (1820)
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Added on 4-Jan-24 | Last updated 4-Jan-24
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Sorrow is knowledge: they who know the most
Must mourn the deepest o’er the fatal truth,
The Tree of Knowledge is not that of Life.

Lord Byron
George Gordon, Lord Byron (1788-1824) English poet
“Manfred,” Act 1, sc. 1 [Manfred] (1817)
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Added on 20-Dec-23 | Last updated 20-Dec-23
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Yes, poor doggie, you are very stupid, very stupid indeed, compared with us clever men, who understand all about politics and philosophy, and who know everything in short, except what we are, and where we came from, and whither we are going, and what everything outside this tiny world and most things in it are.

Jerome K. Jerome (1859-1927) English writer, humorist [Jerome Klapka Jerome]
“On Cats and Dogs,” The Idle Thoughts of an Idle Fellow (1889)
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Added on 18-Dec-23 | Last updated 18-Dec-23
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The question is then how can we decide what anybody in the ancient world said. We can’t. We wish we could. It would be nice if we could. You would like to think that because you can go to the store and buy an edition of Plato that you are actually reading Plato, but the problem is that we just do not have the kind of evidence that we need in order to establish what ancient authors actually wrote. In some cases, we have all these data, and sometimes we have just one manuscript. Sometimes we have a manuscript that was written two-thousand years later, and that’s it! So, as much as we would like to be able to say we know what ancient authors actually wrote, we often just do not know.

Bart Ehrman
Bart D. Ehrman (b. 1955) American Biblical scholar, author
“The Textual Reliability of the New Testament: A Dialogue between Bart Ehrman and Daniel Wallace,” Greer-Heard Point-Counterpoint Forum in Faith and Culture (2008-04-04/05)
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Reprinted in Robert Stewart, ed., The Reliability of the New Testament (2011).
 
Added on 29-Nov-23 | Last updated 29-Nov-23
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Learning without thought ends in a blur. Thought without learning will soon totter.
 
[學而不思則罔、思而不學則殆。]

Confucius (c. 551- c. 479 BC) Chinese philosopher, sage, politician [孔夫子 (Kǒng Fūzǐ, K'ung Fu-tzu, K'ung Fu Tse), 孔子 (Kǒngzǐ, Chungni), 孔丘 (Kǒng Qiū, K'ung Ch'iu)]
The Analects [論語, 论语, Lúnyǔ], Book 2, verse 15 (2.15) (6th C. BC – AD 3rd C.) [tr. Ware (1950)]
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Many (but not all) translators suggest that learning/study here is not general academics, but examining and maintaining the ancient traditions.

(Source (Chinese)). Alternate translations:

Learning without thought is labour lost; thought without learning is perilous.
[tr. Legge (1861)]

Learning with [sic] thought is a snare; thought without learning is a danger.
[tr. Jennings (1895)]

Study without thinking is labour lost. Thinking without study is perilous.
[tr. Ku Hung-Ming (1898)]

Learning without thought is useless. Thought without learning is dangerous.
[tr. Soothill (1910)]

Education without meditation is useless. Meditation without education is risky.
[tr. Soothill (1910), alternate]

Research without thought is a mere net and entanglement: thought without gathering data, a peril.
[tr. Pound (1933)]

He who learns but does not think, is lost. He who thinks but does not learn is in great danger.
[tr. Waley (1938)]

If one learns from others but does not think, one will be bewildered. If, on the other hand, one thinks but does not learn from others, one will be in peril.
[tr. Lau (1979)]

If one studies but does not think, one is caught in a trap. If one thinks but does not study, one is in peril.
[tr. Dawson (1993)]

To study without thinking is futile. To think without studying is dangerous.
[tr. Leys (1997)]

Learning without thinking is fruitless; thinking without learning is perplexing.
[tr. Huang (1997); additional translations.]

Studying but not thinking, it is confused; Thinking but not studying, it is dangerous.
[tr. Cai/Yu (1998)]

Learning without due reflection leads to perplexity; reflection without learning leads to perilous circumstances.
[tr. Ames/Rosemont (1998)]

If he studies and does not reflect, he will be rigid. If he reflects but does not study, he will be shaky.
[tr. Brooks/Brooks (1998)]

To learn and never think -- that's delusion. But to think and never learn -- that is perilous indeed!
[tr. Hinton (1998)]

If you learn without thinking about what you have learned, you will be lost. If you think without learning, however, you will fall into danger.
[tr. Slingerland (2003)]

Learning without thought is pointless. Thought without learning is dangerous.
[tr. Watson (2007)]

If you learn but do not think, you will be dazed. If you think but do not learn, you will be in danger.
[tr. Chin (2014)]

Learning from books without critical thinking results in confusion. Thinking vacuously without learning from books is perilous.
[tr. Li (2020)]

 
Added on 7-Nov-23 | Last updated 7-Nov-23
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Real education precisely consists in the fact that we see beyond the symbols and the mere machinery of the age in which we find ourselves: education precisely consists in the realization of a permanent simplicity that abides behind all civilizations, the life that is more than meat, the body that is more than raiment. The only object of education is to make us ignore mere schemes of education. Without education, we are in a horrible and deadly danger of taking educated people seriously.

Gilbert Keith Chesterton (1874-1936) English journalist and writer
“Our Note Book,” The Illustrated London News (1905-12-02)
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Added on 17-Oct-23 | Last updated 17-Oct-23
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That there should one Man die ignorant who had capacity for Knowledge, this I call a tragedy.

Thomas Carlyle
Thomas Carlyle (1795-1881) Scottish essayist and historian
Sartor Resartus, Book 3, ch. 4 (1831)
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Blessed is he who has succeeded in learning the laws of nature’s working, has cast beneath his feet all fear and fate’s implacable decree, and the howl of insatiable Death.

[Felix, qui potuit rerum cognoscere causas,
atque metus omnis et inexorabile fatum
subiecit pedibus strepitumque Acherontis avari.]

Virgil the Poet
Virgil (70-19 BC) Roman poet [b. Publius Vergilius Maro; also Vergil]
Georgics [Georgica], Book 2, l. 490ff (2.490-492) (29 BC) [tr. Fairclough (Loeb) (1916)]
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(Source (Latin)). Alternate translations:

Happie is he that hidden causes knowes,
And bold all shapes of danger dares oppose:
Trampling beneath his feet the cruell Fates,
Whom Death, nor swallowing Acheron amates.
[tr. Ogilby (1649)]

Happy the Man, who, studying Nature's Laws,
Thro' known Effects can trace the secret Cause.
His Mind possessing, in a quiet state, ⁠
Fearless of Fortune, and resign'd to Fate.
[tr. Dryden (1709), l. 698-701]

Happy the Man, whose penetrating mind
Of things the latent causes first could find,
He, who all terrors, ruthless Fate could quell,
And the dire din of all-devouring Hell!
[tr. Nevile (1767), l. 549-552]

How blest the sage! whose soul can pierce each cause
Of changeful Nature, and her wondrous laws:
Who tramples fear beneath his foot, and braves
Fate, and stern death, and hell's resounding waves.
[tr. Sotheby (1800)]

Happy is he who has been able to trace out the causes of things, and who has cast beneath his feet all fears, and inexorable Destiny, and the noise of devouring Acheron!
[tr. Davidson (1854)]

Thrice blest the man whom mighty genius brings
To know the cause and origin of things:
Beneath his feet lie destiny and dread;
He walks the roaring waters of the dead.
[tr. Blackmore (1871)]

Happy the man who has won the knowledge of the moving springs of nature, and so trmapled under food all fears, and the remorseless doom of death, and the road of Acheron, yawning for prey!
[tr. Wilkins (1873)]

Happy, who had the skill to understand
Nature's hid causes, and beneath his feet
All terrors cast, and death's relentless doom,
And the loud roar of greedy Acheron.
[tr. Rhoades (1881)]

Happy the man who knows the secret cause,
How nature works, and reads creation’s laws,
Whose soul to fortune can superior rise,
And death, dark minister of fate, despise.
[tr. King (1882), ll. 498-501]

Happy is he who has been able to trace out the causes of things, and who has trodden under foot all idle fears, and inexorable Destiny, and the roar of devouring Acheron!
[tr. Bryce (1897)]

Happy he who hath availed to know the causes of things, and hath laid all fears and immitigable Fate and the roar of hungry Acheron under his feet.
[tr. Mackail (1899)]

Oh happy, whose heart hath attained Creation's secret to know,
Who hath trampled all haunting fears underfoot, nor dreadeth the blow
Of Fate the relentless, the roar of insatiate Acheron's flow!
[tr. Way (1912)]

Blest was that man whose vision could explore
The world's prime causes, conquering for man
His horde of fears, his certain doom of death
Inexorable, and the menace loud
Of hungry Acheron!
[tr. Williams (1915)]

Lucky is he who can learn the roots of the universe,
Has mastered all his fears and fate's intransigence
And the hungry clamour of hell.
[tr. Day-Lewis (1940)]

Blessed is he who masters nature’s laws,
Tramples on fear and unrelenting fate,
On greedy, roaring Acheron.
[tr. Bovie (1956)]

Happy the man who has been able to learn the causes of things and has trampled beneath his feet all fears, inexorable fate, and the howl of greedy Acheron.
[tr. Miles (1980)]

Blessed is he whose mind had power to probe
The causes of things and trample underfoot
All terrors and inexorable fate
And the clamour of devouring Acheron.
[tr. Wilkinson (1982)]

He who’s been able to learn the causes of things is happy,
and has set all fear, and unrelenting fate, and the noise
of greedy Acheron, under his feet.
[tr. Kline (2001)]

Blessed, he who understands the workings of nature
and tramples all fear and relentless fate and the bone-
shaking clatter of greedy Death beneath his feet.
[tr. Lembke (2004)]

O happy he who can fathom the causes of thing,
who's thrown all fear and dogged Fate
beneath his feet, and the roaring of ravenous Acheron.
[tr. Johnson (2009)]

That man is blessed who has learned the causes of things,
And therefore under his feet subjugates fear
And the decrees of unrelenting fate
And the noise of Acheron's insatiable waters.
[tr. Ferry (2015)]

 
Added on 6-Sep-23 | Last updated 6-Sep-23
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On the one hand, philosophy is to keep us thinking about things that we may come to know, and on the other hand to keep us modestly aware of how much what seems like knowledge isn’t knowledge.

Bertrand Russell
Bertrand Russell (1872-1970) English mathematician and philosopher
Interview by Woodrow Wyatt, BBC TV (1959)
    (Source)

Collected in Bertrand Russell's BBC Interviews (1959) [UK] and Bertrand Russell Speaks His Mind (1960) [US]. Reprinted (abridged) in The Humanist (1982-11/12), and in Russell Society News, #37 (1983-02).
 
Added on 6-Sep-23 | Last updated 6-Sep-23
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Consider what you came from: you are Greeks!
You were not born to live like mindless brutes
but to follow paths of excellence and knowledge.

[Considerate la vostra semenza:
fatti non foste a viver come bruti,
ma per seguir virtute e canoscenza.]

Dante Alighieri the poet
Dante Alighieri (1265-1321) Italian poet
The Divine Comedy [Divina Commedia], Book 1 “Inferno,” Canto 26, l. 118ff (26.118-120) [Ulysses] (1320) [tr. Musa (1971)]
    (Source)

Speaking to his sailors on their final voyage, urging them to explore the unknown.

(Source (Italian)). Alternate translations:

On your original reflect, nor think
That you were, made, like Brutes, to only live,
But knowledge and to virtuous acts pursue.
[tr. Rogers (1782)]

Recall your glorious toils, your lofty birth.
Nor like the grov'ling herds, ally'd to earth.
No base despondence quit your lofty claim.
[tr. Boyd (1802), st. 19]

Call to mind from whence we sprang:
Ye were not form’d to live the life of brutes
But virtue to pursue and knowledge high.
[tr. Cary (1814)]

Bethink you of your birth-rank and its dues:
Ye were not thus for brutish life endued.
But Virtue's path and Learning's born to chuse.
[tr. Dayman (1843)]

Consider your origin: ye were not formed to live like brutes, but to follow virtue and knowledge.
[tr. Carlyle (1849)]

Consider, then, the birth from whence you sprung:
You were not made, like brutes, to live and die:
The path of virtue and of knowledge try.
[tr. Bannerman (1850)]

Consider well the seed from whence you sprung;
You were not made to live as live the beasts,
But to seek virtue and true knowledge grasp.
[tr. Johnston (1867)]

Consider ye the seed from which ye sprang;
Ye were not made to live like unto brutes,
But for pursuit of virtue and of knowledge.
[tr. Longfellow (1867)]

Consider your begetting; ye were not made to live as brutes, but to follow virtue and knowledge.
[tr. Butler (1885)]

Over your noble birthright ye should muse;
To live like senseless brutes ye were not made,
But knowledge to pursue and virtue use.
[tr. Minchin (1885)]

Consider ye your origin; ye were not made to live as brutes, but for pursuit of virtue and of knowledge.
[tr. Norton (1892)]

Bethink you of your birth: ye were not made to live the life of brutes, but to obey the call of valour and of knowledge.
[tr. Sullivan (1893)]

Consider ye the seed that ye are sprung from:
Ye were not made to live as the brute creatures,
But that ye virtue might pursue and knowledge.
[tr. Griffith (1908)]

Take thought of the seed from which you spring. You were not born to live as brutes, but to follow virtue and knowledge.
[tr. Sinclair (1939)]

Think on the seed ye spring from! Ye were made
Not to live life of brute beasts of the field
But follow virtue and knowledge unafraid.
[tr. Binyon (1943)]

Think of your breed; for brutish ignorance
Your mettle was not made; you were made men.
To follow after knowledge and excellence.
[tr. Sayers (1949)]

Greeks! You were not born to live like brutes,
but to press on toward manhood and recognition!
[tr. Ciardi (1954), l. 110]

Consider your origin: you were not made to live as brutes, but to pursue virtue and knowledge.
[tr. Singleton (1970)]

Consider well the seed that gave you birth:
you were not made to live your lives as brutes,
but to be followers of worth and knowledge.
[tr. Mandelbaum (1980)]

Consider then the race from which you have sprung:
You were not made to live like animals,
But to pursue virtue and know the world.
[tr. Sisson (1981)]

Consider well your seed:
You were not born to live as a mere brute does,
But for the pursuit of knowledge and the good.
[tr. Pinsky (1994)]

Consider your sowing: you were not made to live like brutes, but to follow virtue and knowledge.
[tr. Durling (1996)]

Consider your origin: you were not made to live like brutes, but to follow virtue and knowledge.
[tr. Kline (2002)]

Hold clear in thought your seed and origin.
You were not made to live as mindless brutes,
but go in search of virtue and true knowledge.
[tr. Kirkpatrick (2006)]

Consider how your souls were sown:
you were not made to live like brutes or beasts,
but to pursue virtue and knowledge.
[tr. Hollander/Hollander (2007)]

Think of your origins, the people you come from:
You were not made to live like wild-toothed beasts,
But for the pursuit of virtue and honest knowledge.
[tr. Raffel (2010)]

Remember now your pedigree.
You were not born to live as brutes. Virtue
And knowledge are your guiding lights.
[tr. James (2013)]

 
Added on 14-Jul-23 | Last updated 14-Jul-23
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More quotes by Dante Alighieri

You will hear things like, “Science doesn’t know everything.” Well, of course science doesn’t know everything. But because science doesn’t know everything, that doesn’t mean science knows nothing. Science knows enough for us to be watched by a few million people now on television, for these lights to be working, for quite extraordinary miracles to have taken place in terms of the harnessing of the physical world and our dim approaches towards understanding it.

Stephen Fry
Stephen Fry (b. 1957) British actor, writer, comedian
Room 101, 6×10, BBC Two (2001-03-12)
    (Source)
 
Added on 12-Jul-23 | Last updated 12-Jul-23
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Learn a little of anything, and you’re ready to proselytize.

Mignon McLaughlin (1913-1983) American journalist and author
The Neurotic’s Notebook, ch. 7 (1963)
    (Source)
 
Added on 13-Apr-23 | Last updated 13-Apr-23
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Many shall run to and fro, and knowledge shall be increased

[Multi pertransibunt & augebitur scientia]

Francis Bacon (1561-1626) English philosopher, scientist, author, statesman
Instauratio Magna, Epigraph (1620)
    (Source)
 
Added on 3-Apr-23 | Last updated 3-Apr-23
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In fact ignorance of law leads to more lawsuits than knowledge of it.

[Potius ignoratio iuris litigiosa est quam scientia.]

Marcus Tullius Cicero (106-43 BC) Roman orator, statesman, philosopher
De Legibus [On the Laws], Book 1, ch. 5 (1.6) / sec. 18 [Marcus] (c. 51 BC) [tr. Zetzel (1999)]
    (Source)

(Source (Latin)). Alternate translations:

It is not so much the science of law that produces litigation, as the ignorance of it.
[tr. Barham (1842), Barham/Yonge (1878)]

The litigious spirit is more often found with ignorance than with knowledge of law.
[ed. Harbottle (1906)]

For it is rather ignorance of the law than knowledge of it that leads to litigation.
[tr. Keyes (1928)]

Ignorance rather than knowledge of the law leads to litigation.
[tr. Rudd (1998)]

 
Added on 19-Jan-23 | Last updated 19-Jan-23
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More quotes by Cicero, Marcus Tullius

Profound ignorance makes a man dogmatical; he who knows nothing thinks he can teach others what he just now has learned himself.

[C’est la profonde ignorance qui inspire le ton dogmatique. Celui qui ne sait rien croit enseigner aux autres ce qu’il vient d’apprendre lui-même.]

Jean de La Bruyere
Jean de La Bruyère (1645-1696) French essayist, moralist
The Characters [Les Caractères], ch. 5 “Of Society and Conversation [De la Société et de la Conversation],” § 76 (5.76) (1688) [tr. Van Laun (1885)]
    (Source)

(Source (French)). Alternate translations:

Profound Ignorance makes a Man dogmatick. If he knows nothing, he thinks he can teach others what he is to learn himself.
[Bullord ed. (1696)]

Profound Ignorance makes a Man dogmatick; he who knows nothing, thinks he can teach others what he just now has learn'd himself.
[Curll ed. (1713)]

A dogmatic tone is generally inspired by abysmal ignorance. The man who knows nothing thinks he is informing others of something which he has that moment learnt.
[tr. Stewart (1970)]

 
Added on 10-Jan-23 | Last updated 6-Jun-23
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It is supposed to be true that those who do not know history are doomed to repeat it. I don’t believe knowing can save us. What is constant in history is greed and foolishness and a love of blood, and this is a thing that even God — who knows all that can be known — seems powerless to change.

Cormac McCarthy (1933-2023) American novelist, playwright, screenwriter
All the Pretty Horses, ch. 4 (1992)
    (Source)

See Santayana.
 
Added on 15-Nov-22 | Last updated 14-Nov-22
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The mind is formed by the knowledge and the direction of ideas it receives and the guidance it is given. Great things alone can make a great mind, and petty things will make a petty mind unless a man rejects them as completely alien.

[Weil der menschliche Geist durch die ihm mitgetheilten Kenntnisse und Ideenrichtungen erzogen wild. Nor das Grosse kann ihn grostartig, das Kleine nur kleinlich machen, wenn er et nicht wie elwas ganz Fremdes ganz von sich stösst.]

Karl von Clausewitz (1780-1831) Prussian soldier, historian, military theorist
On War [Vom Kriege], Book 2, ch. 2 “On the Theory of War [Über die Theorie des Krieges],” § 40 (2.2.40) (1832) [tr. Howard & Paret (1976)]
    (Source)

(Source (German)). Alternate translations:

The human mind is trained by the knowledge imparted to it, and the direction given to its ideas. Only what is great can make it great; the little can only make it little, if the mind itself does not reject it as something repugnant.
[tr. Graham (1873)]

The human mind is formed by the kinds of knowledge imparted to it and the direction given to its ideas. Only what is great can make it great; the little can only make it little, if the mind itself does not reject it as something repugnant to it.
[tr. Jolles (1943)]

 
Added on 8-Nov-22 | Last updated 28-Mar-23
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“You’ve got to admit it’s a bit of a pantomime, though,” said Crawly. “I mean, pointing out the Tree and saying ‘Don’t Touch’ in big letters. Not very subtle, is it? I mean, why not put it on top of a high mountain or a long way off? Makes you wonder what He’s really planning.”

Terry Pratchett (1948-2015) English author
Good Omens, 1. “In the Beginning” (1990) [with Neil Gaiman]
    (Source)

Referring to the Tree of the Knowledge of Good and Evil (Gen. 2:16-17).
 
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But remember, that manners must adorn knowledge, and smooth its way through the world. Like a great rough diamond, it may do very well in a closet by way of curiosity, and also for its intrinsic value; but it will never be worn, nor shine, if it is not polished.

Lord Chesterfield (1694-1773) English statesman, wit [Philip Dormer Stanhope]
Letter to his son, #155 (1 Jul 1748)
    (Source)
 
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Well, that’s Philosophy I’ve read,
And Law and Medicine, and I fear
Theology, too, from A to Zed;
Hard studies all, that have cost me dear.
And so I sit, poor silly man
No wiser now than when I began.

[Habe nun, ach! Philosophie,
Juristerei und Medizin,
Und leider auch Theologie
Durchaus studiert, mit heißem Bemühn.
Da steh ich nun, ich armer Tor!
Und bin so klug als wie zuvor.]

Johann Wolfgang von Goethe (1749-1832) German poet, statesman, scientist
Faust: a Tragedy [eine Tragödie], Part 1, sc. 4 “Night,” ll. 354ff (1808-1829) [tr. Luke (1987)]
    (Source)

Some translations (and this site) include the Declaration, Prelude on the Stage, and Prologue in Heaven as individual scenes; others do not, leading to their Part 1 scenes being numbered three lower.

(Source (German)). Alternate translations:

I've studied now Philosophy
And Jurisprudence, Medicine,
And even, alas! Theology
All through and through with ardour keen!
Here now I stand, poor fool, and see
I'm just as wise as formerly.
[tr. Priest (1808)]

Now I have toil'd thro' all; philosophy,
Law, physic, and theology: alas!
All, all I have explor'd; and here I am
A weak blind fool at last: in wisdom risen
No higher than before.
[tr. Coleridge (1821)]

I have now, alas, by zealous exertion, thoroughly mastered philosophy, the jurist's craft, and medicine -- and to my sorrow, theology too. Here I stand, poor fool that I am, just as wise as before.
[tr. Hayward (1831)]

I have, alas! Philosophy,
Medicine, Jurisprudence too,
And to my cost Theology,
With ardent labour, studied through.
And here I stand, with all my lore,
Poor fool, no wiser than before.
[tr. Swanwick (1850)]

Have now, alas! quite studied through
Philosophy and Medicine,
And Law, and ah! Theology, too,
With hot desire the truth to win!
And here, at last, I stand, poor fool!
As wise as when I entered school
[tr. Brooks (1868)]

I've studied now Philosophy
And Jurisprudence, Medicine, --
And even, alas! Theology, --
From end to end, with labor keen;
And here, poor fool! with all my lore
I stand, no wiser than before:
[tr. Taylor (1870)]

There now, I’ve toiled my way quite through
Law, Medicine, and Philosophy,
And, to my sorrow, also thee,
Theology, with much ado;
And here I stand, poor human fool,
As wise as when I went to school.
[tr. Blackie (1880)]

I have studied, alas! Philosophy,
And Jurisprudence, and Medicine, too,
And saddest of all, Theology,
With arden labor, through and through!
And here I stick, as wise, poor fool,
As when my steps first turned to school.
[tr. Latham (1908)]

I have, alas, studied philosophy,
Jurisprudence and medicine, too,
And, worst of all, theology
With keen endeavor, through and through --
And here I am, for all my lore,
The wretched fool I was before.
[tr. Kaufmann (1961)]

Alas, I have studied philosophy,
the law as well as medicine,
and to my sorrow, theology;
studied them well with ardent zeal,
yet here I am, a wretched fool
no wiser than I was before.
[tr. Salm (1962)]

I have pursued, alas, philosophy,
Jurisprudence, and medicine, And, help me God, theology,
With fervent zeal through thick and thin.
And here, poor fool, I stand once more,
No wiser than I was before.
[tr. Arndt (1976)]

I've studied, alas, philosophy,
Law and medicine, recto and verso,
And how I regret it, theology also,
Oh God, how hard I've slaved away,
With what result? Poor foolish old man,
I'm not whit wiser than when I began!
[tr. Greenberg (1992)]

Medicine, and Law, and Philosophy --
You've worked your way through every school,
Even, God help you, Theology,
And sweated at it like a fool.
Why labour at it any more?
You're no wiser now than you were before.
[tr. Williams (1999)]

Ah! Now I’ve done Philosophy,
I’ve finished Law and Medicine,
And sadly even Theology:
Taken fierce pains, from end to end.
Now here I am, a fool for sure!
No wiser than I was before.
[tr. Kline (2003)]

 
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More quotes by Goethe, Johann von

If I had omitted setting down something of that which has appeared to me as clear, so that the knowledge would perish when I perish, as is inevitable, I should have considered that conduct as extremely cowardly with regard to you and everyone who is perplexed. It would have been, as it were, robbing one who deserves the truth of the truth, or grudging an heir his inheritance. And both those traits are blameworthy.

Maimonides
Maimonides (1135-1204) Spanish Jewish philosopher, scholar, astronomer, physician [Moses ben Maimon, Rambam, רמב״ם]
Guide for the Perplexed, Part 3, Introduction (c. 1190) [tr. Pines (1963)]
    (Source)

Alternate translation:

But if, on the other hand, I were to abstain from writing on this subject, according to my knowledge of it, when I die, as I shall inevitably do, that knowledge would die with me, and I would thus inflict great injury on you and all those who are perplexed. I would then be guilty of withholding the truth from those to whom it ought to be communicated, and of jealously depriving the heir of his inheritance. I should in either case be guilty of gross misconduct.
[tr. Friedlander (1885)]

 
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Once you have discovered what is happening, you can’t pretend not to know, you can’t abdicate responsibility. Knowledge always brings responsibility.

James - Knowledge always brings responsibility - wist.info quote

P. D. James (1920-2014) British mystery writer [Phyllis Dorothy James White]
Devices and Desires, Book 6, ch. 10 (1990)
    (Source)
 
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Some men believe their own Opinions no less firmly than others do their positive Knowledge.

Aristotle - Some men believe their own Opinions no less firmly than others do their positive Knowledge - wist.info quote

Aristotle (384-322 BC) Greek philosopher
Nicomachean Ethics [Ἠθικὰ Νικομάχεια], Book 7, ch. 3 (7.3) (c. 325 BC) [tr. Chase (1847)]
    (Source)

Alternate translations:

Some men put no less faith in their own uncertified opinions than do others in the verified truths of science.
[tr. Williams (1869), sec. 127]

For some people are as strongly convinced of their opinions as others of their knowledge.
[tr. Welldon (1892)]

Some people have just as strong a belief in their mere opinions as others have in what they really know.
[tr. Peters (1893), 7.3.4]

Some men are no less convinced of what they think than others of what they know.
[tr. Ross (1908)]

Some men are just as firmly convinced of what they opine as others are of what they know.
[tr. Rackham (1934)]

Some people have no less conviction about that they believe than others do about what they know scientifically.
[tr. Reeve (1948)]

Some men are just as sure of the truth of their opinions as others are of what they know.
[tr. Thomson (1953)]

Some men are no less convinced of their opinions about things than others of the things they know.
[tr. Apostle (1975)]

There are some people who have no less confidence than others hav ein what they know.
[tr. Thomson/Tredennick (1976)]

Some are no less convinced of what they opine about than are other people of what they know.
[tr. Bartlett/Collins (2011)]

 
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The desire of power in excess caused the angels to fall; the desire of knowledge in excess caused man to fall; but in charity there is no excess, neither can angel or man come in danger by it.

Francis Bacon (1561-1626) English philosopher, scientist, author, statesman
“Of Goodness and Goodness of Nature,” Essays, No. 13 (1625)
    (Source)

Often trimmed down to "In charity there is no excess."
 
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Those long chains composed of very simple and easy reasonings, which geometers customarily use to arrive at their most difficult demonstrations, had given me occasion to suppose that all the things which come within the scope of human knowledge are interconnected in the same way. And I thought that, provided we refrain froma ccepting anything as true which is not, and always keep to the order required for deducing one thing from another, there can be nothing too remote to be reached in the end or too well hidden to be discovered.

[Ces longues chaînes de raisons, toutes simples et faciles, dont les géomètres ont coutume de se servir pour parvenir à leurs plus difficiles démonstrations, m’avoient donné occasion de m’imaginer que toutes les choses qui peuvent tomber sous la connoissance des hommes s’entresuivent en même façon, et que, pourvu seulement qu’on s’abstienne d’en recevoir aucune pour vraie qui ne le soit, et qu’on garde toujours l’ordre qu’il faut pour les déduire les unes des autres, il n’y en peut avoir de si éloignées auxquelles enfin on ne parvienne, ni de si cachées qu’on ne découvre.]

René Descartes (1596-1650) French philosopher, mathematician
Discourse on Method [Discours de la méthode], Part 2 (1637) [tr. Cottingham, Stoothoff (1985)]
    (Source)

(Source (French)). Alternate translations:

Those long chains of reasons, (though simple and easie) which the Geometricians commonly use to lead us to their most difficult demonstrations, gave me occasion to imagine, That all things which may fall under the knowledge of Men, follow one the other in the same manner, and so we doe only abstain from receiving any one for true, which is not so, and observe always the right order of deducing them one from the other, there can be none so remote, to which at last we shall not attain; nor so hid, which we shall not discover.
[Newcombe ed. (1649)]

The long chains of simple and easy reasonings by means of which geometers are accustomed to reach the conclusions of their most difficult demonstrations, had led me to imagine that all things, to the knowledge of which man is competent, are mutually connected in the same way, and that there is nothing so far removed from us as to be beyond our reach, or so hidden that we cannot discover it, provided only we abstain from accepting the false for the true, and always preserve in our thoughts the order necessary for the deduction of one truth from another.
[tr. Veitch (1850)]

Those long chains of reasoning, simple and easy as they are of which geometricians make use in order to arrive at the most difficult demonstrations, had caused me to imagine that all those things which fall under the cognizance of man might very likely be mutually related in the same fashion; and that, provided only that we abstain from receiving anything as true which is not so, and always retain the order which is necessary in order to deduce the one conclusion from the other, there can be nothing so remote that we cannot reach to it, nor to recondite that we cannot discover it.
[tr. Haldane & Ross (1911)]

These long chains of perfectly simple and easy reasonings by means of which geometers are accustomed to carry out their most difficult demonstrations had led me to fancy that everything that can fall under human knowledge forms a similar sequence; and that so long as we avoid accepting as true what it not so, and always preserve the right order for deduction of one thing from another, there can be nothing too remote to be reached in the end, or too well hidden to be discovered.
[tr. Ascombe & Geach (1971)]

 
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In the course of my travels I remarked that all those whose opinions are decidedly repugnant to ours are not in that account barbarians and savages, but on the contrary that many of these nations make an equally good, if not better, use of their reason than we do. I took into account also the very different character which a person brought up from infancy in France or Germany exhibits, from that which, with the same mind originally, this individual would have possessed had he lived always among the Chinese or with savages, and the circumstance that in dress itself the fashion which pleased us ten years ago, and which may again, perhaps, be received into favor before ten years have gone, appears to us at this moment extravagant and ridiculous. I was thus led to infer that the ground of our opinions is far more custom and example than any certain knowledge.

[Et depuis, en voyageant, ayant reconnu que tous ceux qui ont des sentiments fort contraires aux nôtres ne sont pas pour cela barbares ni sauvages, mais que plusieurs usent autant ou plus que nous de raison; et ayant considéré combien un même homme, avec son même esprit, étant nourri dès son enfance entre des Français ou des Allemands, devient différent de ce qu’il seroit s’il avoit toujours vécu entre des Chinois ou des cannibales, et comment, jusques aux modes de nos habits, la même chose qui nous a plu il y a dix ans, et qui nous plaira peut-être encore avant dix ans, nous semble maintenant extravagante et ridicule; en sorte que c’est bien plus la coutume et l’exemple qui nous persuade, qu’aucune connaissance certaine.]

René Descartes (1596-1650) French philosopher, mathematician
Discourse on Method [Discours de la méthode], Part 2 (1637) [tr. Veitch (1901)]
    (Source)

(Source (French)). Alternate translations:

And having since observ’d in my travails, That all those whose opinions are contrary to ours, are not therefore barbarous or savage, but that many use as much or more reason then we; and having consider’d how much one Man with his own understanding, bred up from his childhood among the French or the Dutch, becomes different from what he would be, had he alwayes liv’d amongst the Chineses, or the Cannibals: And how even in the fashion of our Clothes, the same thing which pleas’d ten years since, and which perhaps wil please ten years hence, seems now to us ridiculous and extravagant. So that it’s much more Custome and Example which perswades us, then any assured knowledg.
[tr. Newcombe ed. (1649)]

I further recognized in the course of my travels that all those whose sentiments are very contrary to ours are yet not necessarily barbarians or savages, but may be possessed of reason in as great or even a greater degree than ourselves. I also considered how very different the self-same man, identical in mind and spirit, may have become, according as he is brought up from childhood amongst the French or Germans, or has passed his whole life amongst Chinese or cannibals. I likewise noticed how even in the fashions of one's clothing the same thing that pleased us ten years ago, and which will perhaps please us once again before ten years are passed, seems at the present time extravagant and ridiculous. I thus concluded that it is much more custom and example that persuade us than any certain knowledge.
[tr. Haldane & Ross (1911)]

Since then I have recognized through my travels that those with views quite contrary to ours are not on that account barbarians or savages, but that many of them make use of reason as much or more than we do. I thought, too, how the same man, with the same mind, if brought up from infancy among the French or Germans, develops otherwise than he would if he had always lived among the Chinese or cannibals; and how, even in our fashions of dress, the very thing that pleased us ten years ago, and will perhaps please us again ten years hence, now strikes us as extravagant and ridiculous. Thus it is custom and example that persuade us, rather than any certain knowledge.
[tr. Cottingham, Stoothoff (1985)]

 
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I do not approve the maxim which desires a man to know a little of everything. Superficial knowledge, knowledge without principles, is almost always useless and sometimes harmful knowledge.

Luc de Clapiers, Marquis de Vauvenargues (1715-1747) French moralist, essayist, soldier
Reflections and Maxims [Réflexions et maximes] (1746) [tr. Lee (1903)]
    (Source)
 
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Physics is an organized body of knowledge about nature, and a student of it says that he is learning physics, not nature. Art, like nature, has to be distinguished from the systematic study of it, which is criticism.

Northrop Frye (1912-1991) Canadian literary critic and literary theorist
Anatomy of Criticism, “Polemical Introduction” (1957)
    (Source)
 
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To know all about anything is to know how to deal with it under all circumstances. We feel much happier and more secure when we think we know precisely what to do, no matter what happens, than when we have lost our way and do not know where to turn. And if we have supposed ourselves to know all about anything, and to be capable of doing what is fit in regard to it, we naturally do not like to find that we are really ignorant and powerless, that we have to begin again at the beginning, and try to learn what the thing is and how it is to be dealt with — if indeed anything can be learnt about it. It is the sense of power attached to a sense of knowledge that makes men desirous of believing, and afraid of doubting.

William Kingdon Clifford (1845-1879) English mathematician and philosopher
“The Ethics of Belief,” Part 1 “The Duty of Inquiry,” Lecture, London (11 Apr 1876)
    (Source)
 
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I believe that every human being with a physically normal brain can learn a great deal and can be surprisingly intellectual. I believe that what we badly need is social approval of learning and social rewards for learning. We can all be members of the intellectual elite and then, and only then, will a phrase like “America’s right to know” and, indeed, any true concept of democracy, have any meaning.

Isaac Asimov (1920-1992) Russian-American author, polymath, biochemist
“A Cult of Ignorance,” Newsweek (21 Jan 1980)
    (Source)
 
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Such is the privilege of genius; it perceives, it seizes relations where vulgar eyes see only isolated facts.

[Tel est le privilége du génie: il aperçoit, il saisit des rapports, là où des yeux vulgaires lie voient que des faits isolés.]

François Arago
François Arago (1786-1853) French Catalan mathematician, physicist, astronomer, politician
Biographies of Distinguished Scientific Men, “Joseph Fourier” (1859) [tr. Smyth, Powell, Grant]
    (Source)
 
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Knowledge breeds doubt, not certainty, and the more we know the more uncertain we become.

Taylor - Knowledge breeds doubt, not certainty - wist.info quote

A. J. P. Taylor (1906-1990) British historian, journalist, broadcaster [Alan John Percivale Taylor]
“What Else Indeed?” New York Review of Books (5 Aug 1965)
    (Source)
 
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Those people who think they know everything are a great annoyance to those of us who do.

Isaac Asimov (1920-1992) Russian-American author, polymath, biochemist
(Spurious)

Sometimes quoted without the initial "Those".

The citationless attribution of this quip to Asimov cannot be traced back further than 2001, several years after his death. The earliest version found is a filler item in The Saturday Evening Post (6 May 1961), attributed to humor columnist Harold Coffin: "The fellow who thinks he knows it all is especially annoying to those of us who do."

More discussion here: The Fellow Who Thinks He Knows It All Is Especially Annoying To Those of Us Who Do – Quote Investigator.
 
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All other knowledge is hurtful to him who has not the science of goodness.

[Toute autre science, est dommageable à celuy qui n’a la science de la bonté.]

Michel de Montaigne (1533-1592) French essayist
Essays, Book 1, ch. 24 “Of Pedantry” (1580) [tr. Cotton (1686), rev Hazlitt (1877)]
    (Source)

(Source (French)). Alternate translations:

  • "Each other science is prejudciall unto him that hath not the science of goodnesse." [tr. Florio (1603)]
  • "All other knowledge is detrimental to him who has not the science of becoming a good man." [tr. Friswell (1868)]
  • "All other learning is hurtful to him who has not the knowledge of honesty and goodness." [tr. Rector (1899)]
 
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An expert is a man who has stopped thinking. Why? He knows.

Frank Lloyd Wright (1867-1959) American architect, interior designer, writer, educator [b. Frank Lincoln Wright]
In Geoffrey T Hellman, “Wright Revisited,” The New Yorker (8 Jun 1956)
    (Source)

Wright used variations on this quotation throughout his life, e.g.:

The expert is usually a man who has stopped thinking and so is perfectly able to be utterly wrong for at least the rest of his lifetime. He has made up his mind, not upon principle, but upon expedient practice.
[Source, Frank Lloyd Wright: An Autobiography, Book 5 "Form" (1943)]

An expert? Generally a man who has stopped thinking because he knows!
[Source]

An expert is a man who has stopped thinking -- he knows.
[Source, in Earl Nesbit, Taliesin Reflections (2006)]

To me an expert is a man who has stopped thinking. He thinks he knows everything.
[Source, in Patrick J. Meehan, Truth Against the World (1987)]

Now, an "expert" is a man who has stopped thinking. He has had to stop thinking or he would be no expert. You can't call a man an "authority" who is growing and so changing his mind about things, can you? No, the expert has got to know or profess he knows. He's got to stand there and be knowledgeable! Well, too bad, because there's no such human except he be somewhat a phoney.
[Source, in Patrick J. Meehan, Truth Against the World (1987)]

An expert is a man who has stopped thinking because he knows and you can do nothing with him if you got a good idea.
[Source, in Patrick J. Meehan, The Master Architect (1984)

 
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The human mind seldom arrives at truth upon any subject till it has first reached the extremity of error.

Benjamin Rush (1746-1813) American physician, writer, educator, humanitarian
“Effects of Public Punishments Upon Criminals, and Upon Society” (1787)
    (Source)
 
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It must be remembered that evidence is never complete, that knowledge of truth is always partial, and that to await certainty is to await eternity.

John Bowlby 1907-1990) British psychologist, psychiatrist, psychoanalyst
Maternal Care and Mental Health (1951)
    (Source)

The last phrase is often attributed to Jonas Salk, who used it ("It is said to await certainty is to await eternity") in a telegram to Basil O'Connor (8 Nov 1954). But as Salk himself noted, it was not original to him.
 
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There is no case where ignorance should be preferred to knowledge — especially if the knowledge is terrible.

Edward Teller (1908-2003) Hungarian-American theoretical physicist
Interview (1994)

Recalling the debate over the development of the hydrogen bomb. Quoted in Roger Shattuck, Forbidden Knowledge (1996).
 
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He who knows one, knows none.

Max Müller (1823-1900) German-British philologist, Orientalist, religious studies founder
“The Science of Religion,” Lecture 1, Royal Institution (19 Feb 1870), Lectures on the Science of Religion (1872)
    (Source)

Regarding religion, paraphrasing Goethe on language ("He who knows one language, knows none").
 
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They say a little knowledge is a dangerous thing, but it’s not one half so bad as a lot of ignorance.

Terry Pratchett (1948-2015) English author
Equal Rites (1987)

See Pope.
 
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The history of the human race is a continual struggle from darkness towards light. It is, therefore, to no purpose to discuss the use of knowledge; man wants to know, and when he ceases to do so, he is no longer man.

Fridtjof Nansen (1861-1930) Norwegian explorer, scientist, diplomat, humanitarian
“A New Route to the North Pole,” The Forum (Aug 1891)
    (Source)
 
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Knowledge fills a large brain; it merely inflates a small one.

Sydney J. Harris (1917-1986) Anglo-American columnist, journalist, author
“Strictly Personal” column (7 Jan 1982)
 
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Ah, it’s a lovely thing to know a thing or two.

[Ah, la belle chose que de savoir quelque chose.]

Molière (1622-1673) French playwright, actor [stage name for Jean-Baptiste Poquelin]
The Bourgeois Gentleman [Le Bourgeois Gentilhomme], Act 2, sc. 4 [M. Jourdain] (1670)

Title also translated as The Middle-Class Gentleman, The Tradesman turned Gentleman, The Middle-Class Aristocrat or The Would-Be Noble.

It is unclear where this highly common translation is from. Most identifiable sources are much more prosaic.
  • "Ah! What a fine thing it is to know something!" [tr. Woolerey, Act 2, sc. 6; Jones; Page]
  • "Ah, how wonderful it is to know something!" [tr. Applebaum (1998)]
  • "How fine a thing it is but to know something!" [Source]
  • "It's so reassuring to know something." [tr. Bermel (1987)]
  • "Oh, what a beautiful thing it is to know something!" [tr. Pergolizzi (1999)]
  • "It's wonderful to know so many things!" [tr. Rippon (2001), Act 1, sc. 3]
  • Original French
 
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It takes a lot of things to prove you are smart, but only one thing to prove you are ignorant.

Don Herold (1889-1966) American humorist, cartoonist, author
So Human (1924)
    (Source)
 
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We are never so certain of our knowledge as when we’re dead wrong.

Adair Lara (b. 1952) American writer, columnist, teacher
“A Lot of Knowledge Is Dangerous, Too,” San Francisco Chronicle (9 Oct 1997)
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Added on 20-Apr-20 | Last updated 20-Apr-20
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Science is the belief in the ignorance of the experts.

Richard Feynman (1918-1988) American physicist
“What Is Science?” address, National Science Teachers Association, New York (1966)
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“If you give a nigger an inch, he will take an ell. A nigger should know nothing but to obey his master — to do as he is told to do. Learning will spoil the best nigger in the world. Now, if you teach that nigger how to read, there would be no keeping him. It would forever unfit him to be a slave. He would at once become unmanageable, and of no value to his master. As to himself, it could do him no good, but a great deal of harm. It would make him discontented and unhappy.”

Frederick Douglass (1817-1895) American abolitionist, orator, writer
Narrative of the Life of Frederick Douglass, ch. 6 (1845)
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Quoting his master, Auld, chastising Mrs. Auld for teaching Douglass to read. Frequently paraphrased down to "Knowledge makes a man unfit to be a slave."
 
Added on 10-Feb-20 | Last updated 10-Feb-20
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One of the greatest of joys known to man is to take such a flight into ignorance in search of knowledge. The great pleasure of ignorance is, after all, the pleasure of asking questions. The man who has lost this pleasure or exchanged it for the pleasure of dogma, which is the pleasure of answering, is already beginning to stiffen.

Robert Lynd (1892-1970) American sociologist [Robert Slaughton Lynd]
The Pleasure of Ignorance, ch. 1 (1921)
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Added on 29-Jan-20 | Last updated 29-Jan-20
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The rule which should guide us in such cases is simple and obvious enough: that the aggregate testimony of our neighbours is subject to the same conditions as the testimony of any one of them. Namely, we have no right to believe a thing true because everybody says so unless there are good grounds for believing that some one person at least has the means of knowing what is true, and is speaking the truth so far as he knows it. However many nations and generations of men are brought into the witness-box, they cannot testify to anything which they do not know. Every man who has accepted the statement from somebody else, without himself testing and verifying it, is out of court; his word is worth nothing at all. And when we get back at last to the true birth and beginning of the statement, two serious questions must be disposed of in regard to him who first made it: was he mistaken in thinking that he knew about this matter, or was he lying?

William Kingdon Clifford (1845-1879) English mathematician and philosopher
“The Ethics of Belief,” Part 2 “The Weight of Authority,” Contemporary Review (Jan 1877)
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The fox knows many things, but the hedgehog knows one big thing.

[πόλλ’ οἶδ’ ἀλώπηξ, ἐχῖνος δ’ἓν μέγα]

Archilochus (c. 680-645 BC) Greek lyric poet and mercenary [Ἀρχίλοχος, Archilochos, Arkhilokhus]
Fragment 201
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As quoted in Isaiah Berlin, The Hedgehog and the Fox (1953). The fragment is found in a group of proverbs collected by Zenobius. Alt. trans.:
  • The fox knows many things; the hedgehog one great thing.
  • The fox knows many tricks; the hedgehog one good one.
  • The fox knows many tricks; and the hedgehog only one; but that is the best one of all.
  • Fox knows many, Hedgehog one solid trick.
  • Fox knows tricks and still gets caught; Hedgehog knows one but it always works. (Source)
 
Added on 17-Jan-20 | Last updated 21-Jan-20
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