Bible Verses About Profane Swearing: Punishment for

and whoever blasphemes the name of ADONAI must be put to death; the entire community must stone him. The foreigner as well as the citizen is to be put to death if he blasphemes the Name.

So Moshe spoke to the people of Isra'el, and they took the man who had cursed outside the camp and stoned him to death. Thus the people of Isra'el did as ADONAI had ordered Moshe. see readings for Parashah 41]

for the sins their mouths make with each word from their lips. Let them be trapped by their pride for the curses and falsehoods they utter.

He loved cursing; may it recoil on him! He didn't like blessing; may it stay far from him!

He clothed himself with cursing as routinely as with his coat; May it enter inside him as easily as water, as easily as oil into his bones.