17. A will means nothing while the man is alive. It can be used only after he dies.
18. This is why even the first agreement could not begin without blood to show death.
19. First, Moses told all the people every command in the law. Next he took the blood of calves and mixed it with water. Then he used red wool and a branch of the hyssop plant to sprinkle the blood and water on the book of the law and on all the people.
20. He said, “This is the blood which begins the agreement that God commanded you to obey.”