Proverbs 10:19

When there are many words, sin is unavoidable,
but the one who controls his lips is wise.

James 3:2

for we all stumble in many ways. If anyone does not stumble in what he says, he is a mature man who is also able to control his whole body.

James 1:19

My dearly loved brothers, understand this: Everyone must be quick to hear, slow to speak, and slow to anger,

Psalm 39:1

For the choir director, for Jeduthun. A Davidic psalm.I said, “I will guard my ways
so that I may not sin with my tongue;
I will guard my mouth with a muzzle
as long as the wicked are in my presence.”

Ecclesiastes 5:3

For dreams result from much work and a fool’s voice from many words.

Proverbs 17:27-28

The intelligent person restrains his words,
and one who keeps a cool head
is a man of understanding.

Ecclesiastes 10:13-14

The beginning of the words of his mouth is folly,
but the end of his speaking is evil madness.

Treasury of Scripture Knowledge

Summary

In the multitude of words there wanteth not sin: but he that refraineth his lips is wise.

General references

Bible References

But

Proverbs 17:27
The intelligent person restrains his words,
and one who keeps a cool head
is a man of understanding.
Psalm 39:1
For the choir director, for Jeduthun. A Davidic psalm.I said, “I will guard my ways
so that I may not sin with my tongue;
I will guard my mouth with a muzzle
as long as the wicked are in my presence.”
James 1:19
My dearly loved brothers, understand this: Everyone must be quick to hear, slow to speak, and slow to anger,
James 3:2
for we all stumble in many ways. If anyone does not stumble in what he says, he is a mature man who is also able to control his whole body.

General references

Proverbs 13:3
The one who guards his mouth protects his life;
the one who opens his lips invites his own ruin.
Proverbs 21:23
The one who guards his mouth and tongue
keeps himself out of trouble.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.