Translation of Ovid, Metamorphoses, vii. 20 (translated by Tate and Stonestreet, edited by Garth), reported in Bartlett's Familiar Quotations, 10th ed. (1919). Compare: "I know and love the good, yet, ah! the worst pursue" [veggio ’l meglio, et al peggior m’appiglio], Petrarch, Sonnet ccxxv. canzone xxi. To Laura in Life.https://en.wikiquote.org/wiki/Samuel_Garth