Proverbs 13:3

He that guardeth his mouth keepeth his life; But he that openeth wide his lips shall have destruction.

Proverbs 21:23

Whoso keepeth his mouth and his tongue Keepeth his soul from troubles.

Proverbs 12:13

In the transgression of the lips is a snare to the evil man; But the righteous shall come out of trouble.

Proverbs 18:7

A fool's mouth is his destruction, And his lips are the snare of his soul.

Proverbs 18:21

Death and life are in the power of the tongue; And they that love it shall eat the fruit thereof.

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.

Proverbs 10:19

In the multitude of words there wanteth not transgression; But he that refraineth his lips doeth wisely.

Proverbs 20:19

He that goeth about as a tale-bearer revealeth secrets; Therefore company not with him that openeth wide his lips.

Matthew 12:36-37

And I say unto you, that every idle word that men shall speak, they shall give account thereof in the day of judgment.

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 3:2-12

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

He that keepeth his mouth keepeth his life: but he that openeth wide his lips shall have destruction.

Bible References

General references

Proverbs 10:19
In the multitude of words there wanteth not transgression; But he that refraineth his lips doeth wisely.
Proverbs 12:13
In the transgression of the lips is a snare to the evil man; But the righteous shall come out of trouble.
Proverbs 21:23
Whoso keepeth his mouth and his tongue Keepeth his soul from troubles.
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.
Matthew 12:36
And I say unto you, that every idle word that men shall speak, they shall give account thereof in the day of judgment.
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