Philo Judaeus De Virtutibus 223

[223] but her handmaidens were born of parents who lived on the other side of the Euphrates on the extremities of the country of Babylon, such as were given as part of their dowry to maidens of high rank when they were married, but still were often thought worthy to be taken to the bed of a wise man; and so they first of all were raised from the title of concubines to the name and dignity of wives, and in a short time, I may almost say, instead of being looked upon as handmaidens they were raised to an equality in point of dignity and consideration with their mistresses, and, which is the most extraordinary circumstance of all, were even invited by their mistresses to this position and dignity. . For envy does not dwell in the souls of the wise, and whenever that is not present they all have all things in common.