Proverbs 17:27

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

James 1:19

Know this, my beloved brothers: let every person be quick to hear, slow to speak, slow to anger;

Proverbs 10:19

When words are many, transgression is not lacking, but whoever restrains his lips is prudent.

Proverbs 14:29

Whoever is slow to anger has great understanding, but he who has a hasty temper exalts folly.

Proverbs 15:28

The heart of the righteous ponders how to answer, but the mouth of the wicked pours out evil things.

Proverbs 16:32

Whoever is slow to anger is better than the mighty, and he who rules his spirit than he who takes a city.

Ecclesiastes 9:17

The words of the wise heard in quiet are better than the shouting of a ruler among fools.

James 3:2

For we all stumble in many ways. And if anyone does not stumble in what he says, he is a perfect man, able also to bridle his whole body.

James 3:18

And a harvest of righteousness is sown in peace by those who make peace.

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

Spareth

Proverbs 10:19
When words are many, transgression is not lacking, but whoever restrains his lips is prudent.
Proverbs 15:28
The heart of the righteous ponders how to answer, but the mouth of the wicked pours out evil things.
James 1:19
Know this, my beloved brothers: let every person be quick to hear, slow to speak, slow to anger;
James 3:2
For we all stumble in many ways. And if anyone does not stumble in what he says, he is a perfect man, able also to bridle his whole body.

An excellent spirit

Proverbs 16:32
Whoever is slow to anger is better than the mighty, and he who rules his spirit than he who takes a city.
Ecclesiastes 9:17
The words of the wise heard in quiet are better than the shouting of a ruler among fools.
James 3:18
And a harvest of righteousness is sown in peace by those who make peace.

General references

Proverbs 21:23
Whoever keeps his mouth and his tongue keeps himself out of trouble.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.