What does the Bible say about anger?

A lot of people carry guilt about their temper and assume the Bible just says "anger is bad, stop it." It's more honest than that — and more useful. Scripture takes anger seriously without treating every flash of it as a sin. The question it keeps asking isn't "are you angry?" It's "what are you doing with it?"

Anger itself isn't the sin

Read this carefully, because most people miss the first two words:

Be ye angry, and sin not: let not the sun go down upon your wrath:

Ephesians 4:26

"Be ye angry, and sin not." Anger is an emotion — sometimes the right response to a real wrong. The sin is in what comes next: what you do with it, and how long you nurse it. "Don't let the sun go down on it" means deal with it before it hardens into bitterness.

The danger is fast, out-of-control anger

The Bible's warning isn't about feeling angry — it's about being quick and ruled by it:

Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath: For the wrath of man worketh not the righteousness of God.

James 1:19–20

"The wrath of man worketh not the righteousness of God." Blowing up has never once produced the good outcome you wanted. It just leaves damage you have to go back and repair.

How to actually cool down

Proverbs is full of practical anger management. Two lines do a lot of work:

A soft answer turneth away wrath: but grievous words stir up anger.

Proverbs 15:1

A fool uttereth all his mind: but a wise man keepeth it in till afterwards.

Proverbs 29:11

Put together, here's the practical playbook when you feel it rising:

• Pause before you respond. The wise person "keeps it in till afterwards" — not buried, just delayed until you're not on fire.
• Lower your voice, not raise it. A soft answer actually defuses; grievous words pour gas on it.
• Take it to God before you take it to the person. Tell him how angry you are first — he can handle it, and it cools you down.
• Deal with it, don't bury it. Address the real issue before the sun goes down, so it doesn't rot into resentment.

If anger has been doing damage in your relationships, that's worth praying about with others. Naming it and asking people to pray with you is a strong first step toward change.