Proverbs 10:31

10:31 The speech of the righteous bears the fruit of wisdom,

but the one who speaks perversion will be destroyed.

Proverbs 12:18

12:18 Speaking recklessly is like the thrusts of a sword,

but the words of the wise bring healing.

Proverbs 25:15

25:15 Through patience a ruler can be persuaded,

and a soft tongue can break a bone.