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

Misquotation is quotology’s swamp. Amateur quoters mix and mangle Shakespeare and Scripture. Professors gaffe and printers bungle. It’s a mess we must wade into. – Willis Goth Regier, Quotology, 2010

And in spite of his practical ability, some of his experience had petrified into maxims and quotations. – George Eliot (Mary Ann Evans), Daniel Deronda (Book II, Meeting Streams), 1876