A book of quotations… can never be complete. – Robert M. Hamilton

But I have long thought that if you knew a column of advertisements by heart, you could achieve unexpected felicities with them. You can get a happy quotation anywhere if you have the eye. – Oliver Wendell Holmes, Jr., 1923, quoted in Holmes-Laski Letters: The Correspond

Ralph Keyes calls quotation collectors “quotographers,” the men and women who gather catchwords, watchwords, war words, winged words, maxims, mottos, sayings, and quips into books of a thousand pages. Through the centuries quotation collectors have saved quotations that would otherwise be lost. – Willis Goth Regier, Quotology, 2010

A knowledge of general literature is one of the evidences of an enlightened mind; and to give an apt quotation at a fitting time, proves that the mind is stored with sentential lore that can always be used to great advantage by its possessor. – James Ellis, quoted in Day’s Collacon: An Encyclopædia of Prose Quota