Proverbs 29:9

A wise man pleading with a foolish man, whether he rage or laugh, there is no settlement.

Proverbs 26:4

Do not answer a dullard, according to his folly, lest, even thou thyself, become like him;

Ecclesiastes 10:13

The beginning of the words of his mouth, is folly, - but, the latter end of his speech, is mischievous madness.

Matthew 7:6

Do not give what is holy unto dogs, neither cast ye your pearls before swine, - lest once they trample, them, down with their feet, and, turning, tear, you.

Matthew 11:17-19

say, We played the flute to you, and ye danced not, - we sang a lament, and ye beat not the breast.

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