To Florus 3.170

And again: ‘Anyone who has lawful intercourse through shameful desire uses an evil well; anyone who has unlawful intercourse uses an evil badly. For what makes both evil and good people blush is more rightly called evil than good. We do better to believe the apostle, who says: “Good does not dwell in my flesh”’ (Romans 7:18; Augustine, Marriage and Sexual Desire 2.36). Elsewhere: ‘Desire is not the good of marriage, but the obscenity of sinners, the necessity of those who generate offspring, the heat of wantonness, the shame of marriage’ (Marriage and Sexual Desire 1.13). And this: ‘What they afterward did in producing offspring is the good of marriage; what they first covered in confusion is the evil of desire, which everywhere avoids being seen and seeks privacy out of shame’ (Marriage and Sexual Desire 1.8).

These and the other things you regularly use for this argument come more from your memory than your intelligence. Mani, then, labored to compose what he thought clever; you were disappointed in thinking you could conceal what you had read and retained.