Quotations about   deduction

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From principles is derived probability, but truth or certainty is obtained only from facts.

Jesse Olney (1798-1872) American geographer, educator, politician
In Godwin, The National Preceptor, Lesson 85 “Select Sentences,” rule #19 (1830)
Added on 27-Feb-14 | Last updated 27-Feb-14
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If a man will begin with certainties, he shall end in doubts; but if he will be content to begin in doubts, he shall end in certainties.

Francis Bacon (1561-1626) English philosopher, scientist, author, statesman
De Augmentis Scientiarum [Advancement of Learning], Book 1, ch. 5, sec. 8 (1605)

Alt trans. (Willey Book ed., (1944)): "If we begin with certainties, we shall end in doubts; but if we begin with doubts, and are patient with them, we shall end in certainties."
Added on 1-Feb-04 | Last updated 30-Jul-14
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