Whoever derides their neighbor has no sense, but the one who has understanding holds their tongue.
Proverbs 11:12

Those who are kind benefit themselves, but the cruel bring ruin on themselves.
Proverbs 11:17

Fools show their annoyance at once, but the prudent overlook an insult.
Proverbs 12:16

A quick-tempered person does foolish things
Proverbs 14:17

Whoever is patient has great understanding, but one who is quick-tempered displays folly.
Proverbs 14:29

Better a dry crust with peace and quiet than a house full of feasting, with strife.
Proverbs 17:1

Starting a quarrel is like breaching a dam; so drop the matter before a dispute breaks out.
Proverbs 17:14

Whoever loves a quarrel loves sin;
Proverbs 17:19

The one who has knowledge uses words with restraint, and whoever has understanding is even-tempered.
Proverbs 17:27

It is to one’s honor to avoid strife, but every fool is quick to quarrel.
Proverbs 20:3

Fools give full vent to their rage, but the wise bring calm in the end.
Proverbs 29:11

An angry person stirs up conflict, and a hot-tempered person commits many sins.
Proverbs 29:22