[145] but they who have real knowledge, are properly addressed as the sons of the one God, as Moses also entitles them, where he says, "Ye are the sons of the Lord God." [83] And again, "God who begot thee;" [84] and in another place, "Is not he thy father?" Accordingly, it is natural for those who have this disposition of soul to look upon nothing as beautiful except what is good, which is the citadel erected by those who are experienced in this kind of warfare as a defence against the end of pleasure, and as a means of defeating and destroying it.