8. He who digs a pit may fall into it; and whoever breaks through a wall may be bitten by a snake.
9. Whoever carves out stones may be injured by them. Whoever splits wood may be endangered thereby.
10. If the axe is blunt, and one doesn’t sharpen the edge, then he must use more strength; but skill brings success.
11. If the snake bites before it is charmed, then is there no profit for the charmer’s tongue.
12. The words of a wise man’s mouth are gracious; but a fool is swallowed by his own lips.
13. The beginning of the words of his mouth is foolishness; and the end of his talk is mischievous madness.