A soft answer turneth away wrath: but grievous words stir up anger.
Matthew 18:15Moreover if thy brother shall trespass against thee, go and tell him his fault between thee and him alone: if he shall hear thee, thou hast gained thy brother.
Romans 12:19Dearly beloved, avenge not yourselves, but rather give place unto wrath: for it is written, Vengeance is mine; I will repay, saith the Lord.
Romans 13:4For he is the minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain: for he is the minister of God, a revenger to execute wrath upon him that doeth evil.
1 Corinthians 6:1Dare any of you, having a matter against another, go to law before the unjust, and not before the saints?
2 Timothy 3:16All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness: