Psalm 141:3

Set a watch, O Jehovah, before my mouth; Keep the door of my lips.

Micah 7:5

Trust ye not in a neighbor; put ye not confidence in a friend; keep the doors of thy mouth from her that lieth in thy bosom.

Psalm 39:1

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 is before me.

Psalm 17:3-5

Thou hast proved my heart; thou hast visited me in the night; Thou hast tried me, and findest nothing; I am purposed that my mouth shall not transgress.

Psalm 34:13

Keep thy tongue from evil, And thy lips from speaking guile.

Psalm 71:8

My mouth shall be filled with thy praise, And with thy honor all the day.

James 1:26

If any man thinketh himself to be religious, while he bridleth not his tongue but deceiveth his heart, this man's religion is vain.

James 3:2

For in many things we all stumble. If any stumbleth not in word, the same is a perfect man, able to bridle the whole body also.

Treasury of Scripture Knowledge

Summary

Set a watch, O LORD, before my mouth; keep the door of my lips.

Bible References

Set a watch

Psalm 17:3
Thou hast proved my heart; thou hast visited me in the night; Thou hast tried me, and findest nothing; I am purposed that my mouth shall not transgress.
Psalm 39:1
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 is before me.
Psalm 71:8
My mouth shall be filled with thy praise, And with thy honor all the day.
Micah 7:5
Trust ye not in a neighbor; put ye not confidence in a friend; keep the doors of thy mouth from her that lieth in thy bosom.
James 1:26
If any man thinketh himself to be religious, while he bridleth not his tongue but deceiveth his heart, this man's religion is vain.
James 3:2
For in many things we all stumble. If any stumbleth not in word, the same is a perfect man, able to bridle the whole body also.

American Standard Version Public Domain