3 Bible Verses about Insulting Other People

but I say unto you, that whosoever is angry with his brother without cause shall be liable to the judgment; and whosoever shall say to his brother, Raca, shall be obnoxious to the council; but whosoever shall say, "Thou fool," shall be in danger of hell-fire.

But they that stood by said, Revilest thou God's high-priest?

And one of the doctors of the law answered and said unto Him, Master, in saying these things thou reproachest us also.