Proverbs 13:20
20 rWhoever walks with the wise becomes wise,
Proverbs 23:9
9 dDo not speak in the hearing of a fool,
for he will despise the good sense of your words.
Proverbs 26:4
4 oAnswer not a fool according to his folly,
lest you be like him yourself.
Proverbs 29:9
9 cIf a wise man has an argument with a fool,
the fool only rages and laughs, and there is no quiet.