For he lives twice who can at once employ
The present well, and e'en the past enjoy.

Imitation of Martial, reported in Mr. Pope's Literary Correspondence (1737), Vol. V, p. 232; The Poems of Alexander Pope, ed. John Butt, sixth edition (Yale University Press, 1970), p. 117. Compare: "Ampliat ætatis spatium sibi vir bonus; hoc est Vivere bis vita posse priore frui" (Translated: "The good man prolongs his life; to be able to enjoy one's past life is to live twice"), Martial, X, 237.; "Thus would I double my life's fading space; For he that runs it well, runs twice his race", Abraham Cowley, Discourse XI, Of Myself, stanza xi.