It would never come into their [the masses’] heads to fabricate colossal untruths, and they would not believe that others could have the impudence to distort the truth so infamously. Even though the facts which prove this to be so may be brought clearly to their minds, they will still doubt and waver and will continue to think that there may be some other explanation. For the grossly impudent lie always leaves traces behind it, even after it has been nailed down, a fact which is known to all expert liars in this world and to all who conspire together in the art of lying.
Adolph Hitler (1889-1945) German leader
Mein Kampf [My Struggle], Vol. 1, ch. 10 (1925)
Quotations about:
disproof
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Details that could throw doubt on your interpretation must be given, if you know them. You must do the best you can — if you know anything at all wrong, or possibly wrong — to explain it. If you make a theory, for example, and advertise it, or put it out, then you must also put down all the facts that disagree with it, as well as those that agree with it. There is also a more subtle problem. When you have put a lot of ideas together to make an elaborate theory, you want to make sure, when explaining what it fits, that those things it fits are not just the things that gave you the idea for the theory; but that the finished theory makes something else come out right, in addition. In summary, the idea is to try to give all of the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.
Richard Feynman (1918-1988) American physicist
“Cargo Cult Science,” commencement address, California Institute of Technology (1974)
(Source)
The capacity of a human mind to believe devoutly in what seems to me to be the highly improbable — from table tapping to the superiority of their own children — has never been plumbed. Faith strikes me as intellectual laziness, but I don’t argue with it — especially as I am rarely in a position to prove that it is mistaken.
Robert A. Heinlein (1907-1988) American writer
Stranger in a Strange Land, ch. 18 (1960 ed., publ. 1991)
(Source)
An elided version is found in the 1961 published edition, in ch. 13.
