3 Bible Verses about Insulting Other People

but I say unto you, That every man who is angry with his brother without cause, shall be liable to the judgment: and whosoever shall say to his brother, Raca, shall be liable to the sanhedrim: but whosever shall say, Thou fool, shall be liable to be cast into hell fire.

Then they who stood by, said, Revilest thou God's high-priest?

Then one of the doctors of the law addressing him, said, Master, thus speaking, thou reproachest us also.