If all evil were prevented, much good would be absent from the universe. A lion would cease to live, if there were no slaying of animals; and there would be no patience of martyrs if there were no tyrannical persecution.
Authentication Score 2
Original Citation
Saint Thomas Aquinus. Summa Theologica. c. 1274, pt. 1.
Current Citation
Saint Thomas Aquinus. The Summa Theologica of St. Thomas Aquinas, translated by Fathers of the English Dominican Provinc. Christian Classics, 1981, pt. 1.