Caravaggio, Saint Jerome Writing (c. 1605), Galleria Borghese. Public domain.
1 verse in the King James Version. Word study for “fool” →
But I say unto you, That whosoever is angry with his brother without a cause shall be in danger of the judgment: and whosoever shall say to his brother, Raca, shall be in danger of the council: but whosoever shall say, Thou fool, shall be in danger of hell fire.