[91] [cap.26] Perhaps, therefore, it is the right reason of our souls that he calls their father, and its companions and friends that he calls elders. These are they who first established the boundaries of virtue, to whom it is worth while to become pupils for the sake of learning and instruction in necessary things. And what is necessary is as follows. When God was dividing and drawing a wall between the nations of the soul, separating those who spoke different languages; and when establishing the sons of the earth in their abodes, he dispersed them and removed to a distance from himself those whom he called the sons of Adam; then he fixed the boundaries of the offspring of virtue, making them equal in number to the angels; for as many angels of God as there are, so many nations and species of virtue are there.