9. One who quarries stones may be injured by them;one who splits logs may be endangered by them.
10. If an iron axhead is blunt and a workman does not sharpen its edge,he must exert a great deal of effort;so wisdom has the advantage of giving success.
11. If the snake should bite before it is charmed,the snake charmer is in trouble.
12. The words of a wise person win him favor,but the words of a fool are self-destructive.
13. At the beginning his words are foolishand at the end his talk is wicked madness,
14. yet a fool keeps on babbling.No one knows what will happen;who can tell him what will happen in the future?
15. The toil of a stupid fool wears him out,because he does not even know the way to the city.
16. Woe to you, O land, when your king is childish,and your princes feast in the morning!
17. Blessed are you, O land, when your king is the son of nobility,and your princes feast at the proper time – with self-control and not in drunkenness.