9. Whoso removeth stones is hurt therewith; he that cleaveth wood is endangered thereby.
10. If the iron be blunt, and one do not whet the edge, then must he apply more strength; but wisdom is profitable to give success.
11. If the serpent bite before enchantment, then the charmer hath no advantage.
12. The words of a wise man's mouth are gracious; but the lips of a fool swallow up himself.
13. The beginning of the words of his mouth is folly; and the end of his talk is mischievous madness.
14. And the fool multiplieth words: yet man knoweth not what shall be; and what shall be after him, who will tell him?
15. The labour of fools wearieth them, because they know not how to go to the city.
16. Woe to thee, O land, when thy king is a child, and thy princes eat in the morning!