To avoid becoming a slave to your negative emotions.
1.
Thou shalt not hate thy brother in thine heart: thou shalt in any wise rebuke thy neighbour, and not suffer sin upon him.
2.
Thou shalt not avenge, nor bear any grudge against the children of thy people, but thou shalt love thy neighbour as thyself: I am the LORD.
3.
A fool's wrath is presently known: but a prudent man covereth shame.
4.
A soft answer turneth away wrath: but grievous words stir up anger.
5.
A wrathful man stirreth up strife: but he that is slow to anger appeaseth strife.