And the LORD said to him, Therefore whoever slays Cain, vengeance shall be taken on him sevenfold. And the LORD set a mark on Cain, so that anyone finding him would not kill him.
If he rises again, and walks abroad upon his staff, then shall he that struck him be free: only he shall pay for the loss of his time, and shall cause him to be thoroughly healed.
For he is the servant of God to you for good. But if you do what is evil, be afraid; for he does not bear the sword in vain: for he is the servant of God, an avenger to execute wrath upon him who does evil.