[61] [cap.11] And every one of these three individuals has in the account which we have received of him a figurative meaning concealed below it, which we must now consider. Now the moment that any one is taught anything, it happens to him to forsake ignorance and to come over to knowledge; and ignorance is a thing of a multiform character: on this account the first of the three is said to have had many children, but not to have thought any one of them worthy for him to call his son, except one: for in a manner he who learns discards the offspring of ignorance, and repudiates them as inimical and hostile to him.