Philo Judaeus De Decalogo 118

[118] Is it not right, then, after these examples, that men who neglect their parents should cover their faces from shame, and reproach themselves for disregarding those things which they ought to have cared for alone, or in preference to any thing else whatever? And this too, when they would not have been so much conferring benefits as requiting them? For the children have nothing of their own which does not belong to the parents, who have either bestowed it upon them from their own substance, or have enabled them to acquire it by supplying them with the means.