"Why, Sir, when I have anything to invent, I never trouble my head about it, as other men do; but presently turn over this Book, and there I have, at one view, all that Perseus , Montaigne , Seneca 's Tragedies , Horace , Juvenal , Claudian, Pliny , Plutarch 's lives , and the rest, have ever thought upon this subject: and so, in a trice, by leaving out a few words, or putting in others of my own, the business is done."