Proverbs 11:11

11:11 By the blessing of the upright the city is exalted: but it is overthrown by the mouth of the wicked.

Proverbs 12:6

12:6 The words of the wicked [are] to lie in wait for blood: but the mouth of the upright shall deliver them.

Proverbs 12:18

12:18 There is that speaketh like the piercings of a sword: but the tongue of the wise [is] health.

Proverbs 15:2

15:2 The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.

Proverbs 15:28

15:28 The heart of the righteous studieth to answer: but the mouth of the wicked poureth out evil things.

Proverbs 18:6-8

18:6 A fool’s lips enter into contention, and his mouth calleth for strokes. 18:7 A fool’s mouth [is] his destruction, and his lips [are] the snare of his soul. 18:8 The words of a talebearer [are] as wounds, and they go down into the innermost parts of the belly.