Genesis 4:15
And the LORD said to him, Therefore whoever slayeth Cain, vengeance shall be taken on him seven-fold. And the lord set a mark upon Cain, lest any finding him should kill him.And the LORD said to him, Therefore whoever slayeth Cain, vengeance shall be taken on him seven-fold. And the lord set a mark upon Cain, lest any finding him should kill him.