For the strength of our whole body and its activity depend upon our shoulders and limbs. Therefore he compels us to recognize that we must perform all our actions with discrimination according to the standard of righteousness
more especially because we have been distinctly separated from the rest of mankind. For most other men defile themselves by promiscuous intercourse, thereby working great iniquity, and whole countries and cities pride themselves upon such vices. For they not only have intercourse with men but they defile their own mothers and even their daughters. But we have been kept separate from such sins.