We are as much informed of a writer’s genius by what he selects as by what he originates. – Ralph Waldo Emerson, “Quotation and Originality,” Letters and Social Aims, 1876

It is a good thing for an uneducated man to read books of quotations. Bartlett’s Familiar Quotations is an admirable work, and I studied it intently. The quotations when engraved upon the memory give you good thoughts. They also make you anxious to read the authors and look for more. – Winston Churchill, Roving Commission: My Early Life, 1930

That part of a work of one author found in another is not of itself piracy, or sufficient to support an action; a man may adopt part of the work of another; he may so make use of another’s labors for the promotion of science and the benefit of the public. – Lord Ellenborough, quoted in Bouvier’s Law Dictionary by John Bouvier, 8th