LIII. (180) And the leader of this opinion is Onan the brother of the skin-wearing Er. "For he," says the scripture, "knowing that the seed would not be his, when he went in unto his brother's wife, spilled his seed upon the Ground:"[Ge 38:9.] he transgressed all the boundaries of self-love and of fondness for pleasure. (181) Should I not say to this man, If you have a regard to your own advantage you will destroy everything that is excellent, and that too without deriving any advantage therefrom? You will put an end to the honour due to parents, the attention of a wife, the education of children, the blameless services of servants, the management of a house, the government of a city, the firm establishment of laws, the guardianship of morals, reverence to one's elders, the habit of speaking well of the dead, good fellowship with the living, piety towards God as shown both in words and in deeds: for you are overturning and throwing into confusion all these things, sowing seed for yourself alone, and nursing up pleasure, that gluttonous intemperate origin of all evil.