How do you control anger? Take a professional acting person and if they lash out or react in anger, it takes their professionalism away.

Fools give full vent of their rage, but the wise bring calm in the end (Proverbs 29:11)

A hot tempered person stirs up conflict, but the one who is patient calms a quarrel (Proverbs 15:18)

Proverbs is full of sage advise