Proverbs 17:27

He that spareth his words hath knowledge; And he that is of a cool spirit is a man of understanding.

James 1:19

Ye know this , my beloved brethren. But let every man be swift to hear, slow to speak, slow to wrath:

Proverbs 10:19

In the multitude of words there wanteth not transgression; But he that refraineth his lips doeth wisely.

Proverbs 14:29

He that is slow to anger is of great understanding; But he that is hasty of spirit exalteth folly.

Proverbs 15:28

The heart of the righteous studieth to answer; But the mouth of the wicked poureth out evil things.

Proverbs 16:32

He that is slow to anger is better than the mighty; And he that ruleth his spirit, than he that taketh a city.

Ecclesiastes 9:17

The words of the wise heard in quiet are better than the cry of him that ruleth among fools.

James 3:2

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

James 3:18

And the fruit of righteousness is sown in peace for them that 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
In the multitude of words there wanteth not transgression; But he that refraineth his lips doeth wisely.
Proverbs 15:28
The heart of the righteous studieth to answer; But the mouth of the wicked poureth out evil things.
James 1:19
Ye know this , my beloved brethren. But let every man be swift to hear, slow to speak, slow to wrath:
James 3:2
For in many things we all stumble. If any stumbleth not in word, the same is a perfect man, able to bridle the whole body also.

An excellent spirit

Proverbs 16:32
He that is slow to anger is better than the mighty; And he that ruleth his spirit, than he that taketh a city.
Ecclesiastes 9:17
The words of the wise heard in quiet are better than the cry of him that ruleth among fools.
James 3:18
And the fruit of righteousness is sown in peace for them that make peace.

General references

Proverbs 21:23
Whoso keepeth his mouth and his tongue Keepeth his soul from troubles.

American Standard Version Public Domain