17Iron sharpens iron; in the same way, a man sharpens his friend.
18The one who tends a fig tree will eat its fruit, and the one who protects his master will be honored.
19Just as water reflects a person's face, so a person's heart reflects the person.
20Just as Sheol and Abaddon are never satisfied, so a man's eyes are never satisfied.
21A crucible is for silver and a furnace is for gold; and a person is tested when he is praised.
22Even if you crush a fool with the pestle—along with the grain— yet his foolishness will not leave him.
23Be sure you know the condition of your flocks and be concerned about your herds,