Philo Judaeus De Congressu Eruditionis Gratia 81

Again, she gives Hagar to him, not the first moment that he arrives in the country of the Canaanites, but after he has abode there ten years. And what the meaning of this statement is we must investigate in no careless manner. Now, at the beginning of our existence, our soul dwelt among the passions alone as its foster-brethren, griefs, pains, fears, desires, and pleasures, which reach it through the medium of the external senses, before reason was as yet able to see good and evil, and to distinguish accurately the points wherein these things differ from one another, but while it was still wavering and hesitating, and as it were closing its eyes in profound sleep;