Luke 12:5

because of the Chaldeans; for they were afraid of them, since Ishmael the son of Nethaniah had struck down Gedaliah the son of Ahikam, whom the king of Babylon had appointed over the land.

“But I say to you that everyone who is angry with his brother shall be guilty before the court; and whoever says to his brother, ‘Raca,’ shall be guilty before the Sanhedrin; and whoever says, ‘You fool,’ shall be guilty enough to go into the fiery hell.

“And do not fear those who kill the body but are unable to kill the soul; but rather fear Him who is able to destroy both soul and body in hell.