I am reminded of the professor who, in his declining hours, was asked by his devoted pupils for his final counsel. He replied, Verify your quotations. – Sir Winston Churchill

Collections of gnomes, adages, sayings, and parables have been made from times immemorial in all countries and in all languages possessing some kind of literature. – E.H. Michelsen, A Manual of Quotations from the Ancient, Modern, and Oriental La

Someone — Cyril Connolly? Ezra Pound? — once said that anything that can be read twice is literature; I would say that anything that bears saying twice is quotable. – Joseph Epstein, “Quotatious,” A Line Out for a Walk: Familiar Essays, 1991

Dr. Richard Bentley (1662-1742)… is said one day, on finding his son reading a novel, to have remarked—’Why read a book that you cannot quote?’— a saying which affords an amusing illustration of the nature and object of his literary studies. – Cyclopædia of English Literature edited by Robert Chambers, 1844