When the king of Israel read the letter, he tore his clothes in dismay and exclaimed, “How can the king of Syria expect me to cure this man? Does he think that I am God, with the power of life and death? It's plain that he is trying to start a quarrel with me!”
Then Moses told Aaron everything that the Lord had said when he told him to return to Egypt; he also told him about the miracles which the Lord had ordered him to perform.
Then the Lord said, “Put your hand inside your robe again.” He did so, and when he took it out this time, it was healthy, just like the rest of his body.
If in spite of these two miracles they still will not believe you, and if they refuse to listen to what you say, take some water from the Nile and pour it on the ground. The water will turn into blood.”