Proverbs 13:3

The one who guards his mouth preserves his life;
The one who opens wide his lips comes to ruin.

Proverbs 21:23

He who guards his mouth and his tongue,
Guards his soul from troubles.

Proverbs 12:13

An evil man is ensnared by the transgression of his lips,
But the righteous will escape from trouble.

Proverbs 18:7

A fool’s mouth is his ruin,
And his lips are the snare of his soul.

Proverbs 18:21

Death and life are in the power of the tongue,
And those who love it will eat its fruit.

Psalm 39:1

For the choir director, for Jeduthun. A Psalm of David.
I said, “I will guard my ways
That I may not sin with my tongue;
I will guard my mouth as with a muzzle
While the wicked are in my presence.”

Proverbs 10:19

When there are many words, transgression is unavoidable,
But he who restrains his lips is wise.

Proverbs 20:19

He who goes about as a slanderer reveals secrets,
Therefore do not associate with a gossip.

Matthew 12:36-37

But I tell you that every careless word that people speak, they shall give an accounting for it in the day of judgment.

James 1:26

If anyone thinks himself to be religious, and yet does not bridle his tongue but deceives his own heart, this man’s religion is worthless.

James 3:2-12

For we all stumble in many ways. If anyone does not stumble in what he says, he is a perfect man, able to bridle the whole body as well.

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
When there are many words, transgression is unavoidable,
But he who restrains his lips is wise.
Proverbs 12:13
An evil man is ensnared by the transgression of his lips,
But the righteous will escape from trouble.
Proverbs 21:23
He who guards his mouth and his tongue,
Guards his soul from troubles.
Psalm 39:1
For the choir director, for Jeduthun. A Psalm of David.
I said, “I will guard my ways
That I may not sin with my tongue;
I will guard my mouth as with a muzzle
While the wicked are in my presence.”
Matthew 12:36
But I tell you that every careless word that people speak, they shall give an accounting for it in the day of judgment.
James 1:26
If anyone thinks himself to be religious, and yet does not bridle his tongue but deceives his own heart, this man’s religion is worthless.
James 3:2
For we all stumble in many ways. If anyone does not stumble in what he says, he is a perfect man, able to bridle the whole body as well.