We prefer to think that the absence of inverted commas guarantees the originality of a thought, whereas it may be merely that the utterer has forgotten its source. – Clifton Fadiman, The American Treasury, 1455-1955, 1955

It is my belief that nearly any invented quotation, played with confidence, stands a good chance to deceive. – Mark Twain (Samuel L. Clemens), Following the Equator: A Journey Around the Worl

To appreciate and use correctly a valuable maxim requires a genius, a vital appropriating exercise of mind, closely allied to that which first created it. – William Rounseville Alger, “The Utility and the Futility of Aphorisms,” The Atla

Attend to me, Sancho, I do not say a proverb is amiss when aptly and seasonably applied; but to be for ever discharging them, right or wrong, hit or miss, renders conversation insipid and vulgar. – Miguel de Cervantes Saavedra, Don Quixote de la Mancha, translated from Spanish