Philo Judaeus Quod Omnis Probus Liber Sit 57

[57] But Zeno appears to have drawn this maxim of his as it were from the fountain of the legislation of the Jews, ¹ in the history of which it is recorded that in a case where there were two brothers, the one temperate and the other intemperate, the common father of them both, taking pity on the intemperate one who did not walk in the path of virtue, prays that he may serve his brother, conceiving that service which appears in general to be the greatest of evils is the most perfect good to a foolish man, in order that thus he may be deprived of his independence of action, so as to be prevented from misconducting himself with impunity, and that he may be improved in his disposition by the superintending management of him who is appointed to be his master.