Proverbs 10:19

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

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.

James 1:19

Therefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to anger:

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.

Ecclesiastes 5:3

For a dream comes through much business; and a fool's voice is known by a multitude of words.

Proverbs 17:27-28

He that has knowledge spares his words: and a man of understanding is of an excellent spirit.

Ecclesiastes 10:13-14

The beginning of the words of his mouth is foolishness: and the end of his talk is wicked 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
He that has knowledge spares his words: and a man of understanding is of an excellent spirit.
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.
James 1:19
Therefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to anger:
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.

General references

Proverbs 13:3
He that keeps his mouth keeps his life: but he that opens wide his lips shall have destruction.
Proverbs 21:23
Whosoever keeps his mouth and his tongue keeps his soul from troubles.