This site receives small commissions if you buy via an affiliate link. You won't pay any more, and you will help to creatively maintain this website. Thanks!
Source: In Shorter Bartlett's Familiar Quotations, by John Bartlett, 1937, 1980, 1992. -- Aristotle, ( 384BC-322BC), Greek writer, philosopher; He is credited with inventing logic and the science of reasoning.