[3] Now this virtue, Moses (making a most paradoxical assertion) reports, as being both barren and also most prolific, since he affirms that the most populous of all nations is sprung from it. For, in real truth, virtue is barren with respect to all things which are evil, but is so exceedingly prolific of good things, that it stands in no need of the art of the midwife, for it anticipates it by bringing forth before its arrival.