Philo Judaeus De Josepho 37

This is enough to say on this part of the subject. Accordingly, the young man, having been conducted into Egypt, and there, as has already been stated, having become the slave of a eunuch, gave in a few days such proofs of virtue and excellence of disposition, that he had authority over his fellow servants given to him, and the management of the whole household committed to his charge; for already his master had learnt by many circumstances to perceive that his servant in all his words and in all his actions was under the immediate direction of divine providence.