Proverbs 10:19

Transgression is not lacking in the multitude of words, but he who refrains his lips does wisely.

James 3:2

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

James 1:19

Therefore, my beloved brothers, let every man be swift to hear, slow to speak, slow to wrath.

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 man is before me.

Ecclesiastes 5:3

For a dream comes with a multitude of business, and a fool's voice with a multitude of words.

Proverbs 17:27-28

He who spares his words has knowledge, and he who is of a cool spirit is a man of understanding.

Ecclesiastes 10:13-14

The beginning of the words of his mouth is foolishness, and the end of his talk is mischievous 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 who spares his words has knowledge, and he who is of a cool spirit is a man of understanding.
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 man is before me.
James 1:19
Therefore, my beloved brothers, let every man be swift to hear, slow to speak, slow to wrath.
James 3:2
For we all stumble in many things. If any man does not stumble in word, this is a perfect man, able also to bridle the whole body.

General references

Proverbs 13:3
He who guards his mouth keeps his life. He who opens wide his lips shall have destruction.
Proverbs 21:23
He who keeps his mouth and his tongue keeps his soul from troubles.