Ecclesiastes 7:6 in the King James Version
For as the crackling of thorns under a pot, so is the laughter of the fool: this also is vanity.
Context
5 It is better to hear the rebuke of the wise than for a man to hear the song of fools.
6 For as the crackling of thorns under a pot, so is the laughter of the fool. This also is vanity.
7 Surely extortion makes the wise man foolish; and a bribe destroys the understanding.