Psalm 141:3
O Lord, place a guard on my mouth! Protect the opening of my lips!
Micah 7:5
Do not rely on a friend; do not trust a companion! Don't even share secrets with the one who lies in your arms!
Psalm 39:1
For the music director, Jeduthun; a psalm of David. I decided, "I will watch what I say and make sure I do not sin with my tongue. I will put a muzzle over my mouth while in the presence of an evil man."
Psalm 17:3-5
You have scrutinized my inner motives; you have examined me during the night. You have carefully evaluated me, but you find no sin. I am determined I will say nothing sinful.
Psalm 34:13
Then make sure you don't speak evil words or use deceptive speech!
Psalm 71:8
I praise you constantly and speak of your splendor all day long.
James 1:26
If someone thinks he is religious yet does not bridle his tongue, and so deceives his heart, his religion is futile.
James 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.