19. Good judgment is the ruler among these kinds of wisdom, because clear thinking controls the emotions with it.
20. There are two general categories of emotions: pleasure and pain. Each of these shows up in different ways in the body and in the soul.
21. Several other emotions accompany pleasure and pain.
22. Desire comes before pleasure, and joy follows it.
23. Fear comes before pain, and grief follows it.
24. Anger is a mixture of both pleasure and pain, as anyone who thinks about the experience would agree.