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Quote#Wisdom

Neither in deductive nor inductive reasoning can we add a tittle to…

Quote byWilliam Stanley Jevons · 1835–1882

Commonly attributed — not confirmed in an authoritative edition. Cited on Wikiquote to: The Principles of Science: A Treatise on Logic and Scientific Method (1874) Vol. 1, p. 136.

English (original)

Neither in deductive nor inductive reasoning can we add a tittle to our implicit knowledge, which is like that contained in an unread book or a sealed letter. ...Reasoning explicates or brings to conscious possession what was before unconscious. It does not create, nor does it destroy, but it transmutes and throws the same matter into a new form.

— William Stanley Jevons

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