I am wonderfully pleased when I meet with any passage in an old Greek or Latin author, that is not blown upon, and which I have never met with in any quotation. – Joseph Addison, Spectator, No.464

The borrowing is often honest enough, and comes of magnanimity and stoutness. A great man quotes bravely and will not draw on his invention when his memory serves him with a word as good. – Ralph Waldo Emerson, “Quotation and Originality,” Letters and Social Aims, 1876

My quarrel with him is, that his works contain nothing worth quoting; and a book that furnishes no quotations, is me judice, no book,—it is a plaything. – Thomas Love Peacock, Crotchet Castle, 1831 (The Rev. Dr. Folliott)