Psalm 141:3
Set a watch, O LORD, before my mouth; keep watch over the door of my lips.
Micah 7:5
Trust not in a friend, put not confidence in a companion: keep the doors of your mouth from her that lies in your bosom.
Psalm 39:1
[To the Chief Musician. To Jeduthun. A Psalm of David.] I said, I will take heed to my ways, that I sin not with my tongue: I will keep my mouth with a bridle, while the wicked are before me.
Psalm 17:3-5
You have proved my heart; you have visited me in the night; you have tested me, and shall find nothing; I have purposed that my mouth shall not transgress.
Psalm 34:13
Keep your tongue from evil, and your lips from speaking deceit.
Psalm 71:8
Let my mouth be filled with your praise and with your honor all the day.
James 1:26
If any man among you seems to be religious, and bridles not his tongue, but deceives his own heart, this man's religion is vain.
James 3:2
For in many things we all offend. If any man offend not in word, the same is a perfect man, and able also to bridle the whole body.