The philosophers, who derided the more ancient predictions of the Sibyls, would easily have detected the Jewish and Christian forgeries, which have been so triumphantly quoted by the fathers, from Justin Martyr to Lactantius. When the Sibyl-line verses had performed their appointed task, they, like the system of the millennium, were quietly laid aside. The Christian Sibyl had unluckily fixed the ruin of Rome for the year 195, A. U. C, 948.