Proverbs 10:21

21The lips of the righteous feed many,
but fools die for alack of sense.

Proverbs 15:7

7 bThe lips of the wise spread knowledge;
cnot so the hearts of fools.
Or the hearts of fools are not steadfast

Proverbs 18:4

4The words of a man’s mouth are edeep waters;
the fountain of wisdom is a bubbling brook.
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