Proverbs 10:10

10:10 The one who winks his eye causes trouble,

and the one who speaks foolishness will come to ruin.

Proverbs 10:14

10:14 Those who are wise store up knowledge,

but foolish speech leads to imminent destruction.

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 18:6-7

18:6 The lips of a fool enter into strife,

and his mouth invites a flogging.

18:7 The mouth of a fool is his ruin,

and his lips are a snare for his life.

Ecclesiastes 10:12

Words and Works of Wise Men and Fools

10:12 The words of a wise person win him favor,

but the words of a fool are self-destructive.

James 3:6-8

3:6 And the tongue is a fire! The tongue represents the world of wrongdoing among the parts of our bodies. It pollutes the entire body and sets fire to the course of human existence – and is set on fire by hell.

3:7 For every kind of animal, bird, reptile, and sea creature is subdued and has been subdued by humankind. 3:8 But no human being can subdue the tongue; it is a restless evil, full of deadly poison.