Exodus 21:17 in the King James Version
And he that curseth his father, or his mother, shall surely be put to death.
Context
16 “Anyone who kidnaps someone and sells him, or if he is found in his hand, he shall surely be put to death.
17 “Anyone who curses his father or his mother shall surely be put to death.
18 “If men quarrel and one strikes the other with a stone, or with his fist, and he doesn’t die, but is confined to bed;