Job 15:5-6

15:5 Your sin inspires your mouth;

you choose the language of the crafty.

15:6 Your own mouth condemns you, not I;

your own lips testify against you.

Job 34:35

34:35 that Job speaks without knowledge

and his words are without understanding.

Job 35:16

35:16 So Job opens his mouth to no purpose;

without knowledge he multiplies words.”

Proverbs 10:19

10:19 When words abound, transgression is inevitable,

but the one who restrains his words is wise.

Isaiah 6:5

6:5 I said, “Too bad for me! I am destroyed, for my lips are contaminated by sin, and I live among people whose lips are contaminated by sin. My eyes have seen the king, the Lord who commands armies.”

Matthew 12:36-37

12:36 I tell you that on the day of judgment, people will give an account for every worthless word they speak. 12:37 For by your words you will be justified, and by your words you will be condemned.”

James 3:2

3:2 For we all stumble in many ways. If someone does not stumble in what he says, he is a perfect individual, able to control the entire body as well.