Proverbs 18:6

A foolish man's lips are a cause of fighting, and his mouth makes him open to blows.

Proverbs 12:16

A foolish man lets his trouble be openly seen, but a sharp man keeps shame secret.

Proverbs 13:10

The only effect of pride is fighting; but wisdom is with the quiet in spirit.

Proverbs 14:3

In the mouth of the foolish man is a rod for his back, but the lips of the wise will keep them safe.

Proverbs 14:16

The wise man, fearing, keeps himself from evil; but the foolish man goes on in his pride, with no thought of danger.

Proverbs 16:27-28

A good-for-nothing man is a designer of evil, and in his lips there is a burning fire.

Proverbs 17:14

The start of fighting is like the letting out of water: so give up before it comes to blows.

Proverbs 19:19

A man of great wrath will have to take his punishment: for if you get him out of trouble you will have to do it again.

Proverbs 19:29

Rods are being made ready for the man of pride, and blows for the back of the foolish.

Proverbs 20:3

It is an honour for a man to keep from fighting, but the foolish are ever at war.

Proverbs 22:24-25

Do not be friends with a man who is given to wrath; do not go in the company of an angry man:

Proverbs 25:24

It is better to be living in an angle of the house-top, than with a bitter-tongued woman in a wide house.

Proverbs 27:3

A stone has great weight, and sand is crushing; but the wrath of the foolish is of greater weight than these.

Proverbs 29:9

If a wise man goes to law with a foolish man, he may be angry or laughing, but there will be no rest.

Treasury of Scripture Knowledge

Bible References

Fool's

Proverbs 12:16
A foolish man lets his trouble be openly seen, but a sharp man keeps shame secret.
Proverbs 13:10
The only effect of pride is fighting; but wisdom is with the quiet in spirit.
Proverbs 14:16
The wise man, fearing, keeps himself from evil; but the foolish man goes on in his pride, with no thought of danger.
Proverbs 16:27
A good-for-nothing man is a designer of evil, and in his lips there is a burning fire.
Proverbs 17:14
The start of fighting is like the letting out of water: so give up before it comes to blows.
Proverbs 20:3
It is an honour for a man to keep from fighting, but the foolish are ever at war.
Proverbs 27:3
A stone has great weight, and sand is crushing; but the wrath of the foolish is of greater weight than these.

His

Proverbs 14:3
In the mouth of the foolish man is a rod for his back, but the lips of the wise will keep them safe.
Proverbs 19:19
A man of great wrath will have to take his punishment: for if you get him out of trouble you will have to do it again.
Proverbs 22:24
Do not be friends with a man who is given to wrath; do not go in the company of an angry man:
Proverbs 25:24
It is better to be living in an angle of the house-top, than with a bitter-tongued woman in a wide house.
Proverbs 29:9
If a wise man goes to law with a foolish man, he may be angry or laughing, but there will be no rest.

General references

Proverbs 3:30
Do not take up a cause at law against a man for nothing, if he has done you no wrong.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain