21:22. Doctrine to a fool is as fetters on the feet, and like manacles on the right hand.
21:23. A fool lifteth up his voice in laughter: but a wise man will scarce laugh low to himself.
21:24. Learning to the prudent is as an ornament of gold, and like a bracelet upon his right arm.
21:25. The foot of a fool is soon in his neighbour's house: but a man of experience will be abashed at the person of the mighty.
21:26. A fool will peep through the window into the house: but he that is well taught will stand without.
21:27. It is the folly of a man to hearken at the door: and a wise man will be grieved with the disgrace.
21:28. The lips of the unwise will be telling foolish things: but the words of the wise shall be weighed in a balance.
21:29. The heart of fools is in their mouth: and the mouth of wise men is in their heart.
21:30. While the ungodly curseth the devil, he curseth his own soul.
While the ungodly, etc... He condemneth and curseth himself: inasmuch as by sin he takes part with the devil, and is, as it were, his member and subject.