17 As iron sharpens iron, so one person sharpens another.
18 A person who takes good care of a fig tree will eat its fruit. And a person who looks after his master will be honored.
19 When you look into water, you see a likeness of your face. When you look into your heart, you see what you are really like.
20 Death and the Grave are never satisfied. A man's eyes are never satisfied either.
21 Fire tests silver. Heat tests gold. But a man is tested by the praise he receives.
22 You can grind a foolish person in a mill. You can grind him as you would grind grain with a tool. But you can't remove his foolishness from him.
23 Be sure you know how your flocks are doing. Pay careful attention to your herds.