9. Whoever carries away stones will be harmed by them. And whoever cuts down trees will be wounded by them.
10. If the iron is dull, and if it was not that way before, but has been made dull by much labor, then it will be sharpened. And wisdom will follow after diligence.
11. Whoever slanders in secret is nothing less than a snake that bites silently.
12. Words from the mouth of a wise man are graceful, but the lips of a foolish man will throw him down with violence.
13. At the beginning of his words is foolishness, and at the end of his talk is a most grievous error.
14. The fool multiplies his words. A man does not know what has been before him, and who is able to reveal to him what will be in the future after him?
15. The hardship of the foolish will afflict those who do not know to go into the city.
16. Woe to you, the land whose king is a boy, and whose princes consume in the morning.
17. Blessed is the land whose king is noble, and whose princes eat at the proper time, for refreshment and not for self-indulgence.
18. By laziness, a framework shall be brought down, and by the weakness of hands, a house shall collapse through.