Not everything that can be extracted appears in anthologies of quotations, in commonplace books, or on the back of Celestial Seasonings boxes. Only certain sorts of extracts become quotations. – Gary Saul Morson, The Words of Others: From Quotations to Culture, 2011

You will find professed quotations from authors, of the correctness of which you will not be satisfied; and how important is it to be able to satisfy yourself by examining the originals! – Theodore Dwight, quoted in President Dwight’s Decisions of Questions Discu

You serve me a slice of raw beef, Heliodorus, and pour me out three cups of wine rawer than the beef, and then you wash me out at once with epigrams. – Lucilius, in The Greek Anthology, Volume IV, “Book XI: The Convivial and Satiric

The adventitious beauty of poetry may be felt in the greater delight which a verse gives in happy quotation than in the poem. – Ralph Waldo Emerson, “Art”