And the LORD said unto him, Therefore whosoever slays Cain, vengeance shall be taken on him sevenfold. And the LORD set a mark upon Cain, lest any finding him should kill him.
If he rises again, and walks about upon his staff, then shall he that smote him be clear: 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, an avenger to execute wrath upon him that does evil.