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, lest any finding him should kill him.
If he rise again, and walk abroad on his staff, then shall he that smote him be quit: only he shall pay for the loss of his time, and shall cause him to be thoroughly healed.
For he is the minister of God to you for good. But if you do that which is evil, be afraid; for he bears not the sword in vain: for he is the minister of God, a revenger to execute wrath on him that does evil.