Psalm 141:3
Set a guard, O LORD, over my mouth; keep watch over the door of my lips!
Micah 7:5
Put no trust in a neighbor; have no confidence in a friend; guard the doors of your mouth from her who lies in your arms;
Psalm 39:1
I said, "I will guard my ways, that I may not sin with my tongue; I will guard my mouth with a muzzle, so long as the wicked are in my presence."
Psalm 17:3-5
You have tried my heart, you have visited me by night, you have tested me, and you will find nothing; I have purposed that my mouth will not transgress.
Psalm 34:13
Keep your tongue from evil and your lips from speaking deceit.
Psalm 71:8
My mouth is filled with your praise, and with your glory all the day.
James 1:26
If anyone thinks he is religious and does not bridle his tongue but deceives his heart, this person's religion is worthless.
James 3:2
For we all stumble in many ways. And if anyone does not stumble in what he says, he is a perfect man, able also to bridle his whole body.