Proverbs 29:9

If a wise man contendeth with a foolish man, whether he rageth or laugheth, there is no rest.

Proverbs 26:4

Answer not a fool according to his folly, lest thou also be like him.

Ecclesiastes 10:13

The beginning of the words of his mouth is foolishness: and the end of his talk is mischievous madness.

Matthew 7:6

Give not that which is holy to dogs, neither cast ye your pearls before swine, lest they trample them under their feet, and turn again and rend you.

Matthew 11:17-19

And saying, We have piped to you, and ye have not danced; We have mourned to you, and ye have not lamented.

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