Proverbs 15:2

15:2 The tongue of the wise treats knowledge correctly,

but the mouth of the fool spouts out folly.

Proverbs 21:24

21:24 A proud and arrogant person, whose name is “Scoffer,”

acts with overbearing pride.

Matthew 5:22

5:22 But I say to you that anyone who is angry with a brother will be subjected to judgment. And whoever insults a brother will be brought before the council, and whoever says ‘Fool’ will be sent to fiery hell.

Ephesians 4:31

4:31 You must put away every kind of bitterness, anger, wrath, quarreling, and evil, slanderous talk.

Ephesians 6:4

6:4 Fathers, do not provoke your children to anger, but raise them up in the discipline and instruction of the Lord.