Matthew 5
22 Ref But I say to you that everyone who is angry with his brother will be in danger of being judged; and he who says to his brother, Raca, will be in danger from the Sanhedrin; and whoever says, You foolish one, will be in danger of the hell of fire.
23 Ref If then you are making an offering at the altar and there it comes to your mind that your brother has something against you,
24 Ref While your offering is still before the altar, first go and make peace with your brother, then come and make your offering.