De Sacrificiis Abelis Et Caini
Philo Judaeus
The works of Philo Judaeus, the contemporary of Josephus, volume 1. Yonge, C. D., translator. London: Henry G. Bohn, 1854.
And in this way Sodom was destroyed, since there was, as it were, no good which could be put in the scale sufficient to outweigh the unspeakable multitude of its wickednesses. So that if the fiftieth number could have been found, according to which an emancipation from the slavery of the soul and complete freedom is proclaimed, or if any one of the numbers below fifty which the wise Abraham enumerated descending at last down to ten, the number peculiar to instruction, the mind would not have been destroyed in so inglorious a manner.