¹⁷ This is what the Lord says: By this you will know that I am the Lord:^(A) With the staff that is in my hand I will strike the water of the Nile, and it will be changed into blood.^(B)

¹⁹ the magicians said to Pharaoh, “This is the finger^(A) of God.” But Pharaoh’s heart^(B) was hard and he would not listen,^(C) just as the Lord had said.

²² “‘But on that day I will deal differently with the land of Goshen,^(A) where my people live;^(B) no swarms of flies will be there, so that you will know^(C) that I, the Lord, am in this land.

⁴ And I will harden Pharaoh’s heart,^(A) and he will pursue them.^(B) But I will gain glory^(C) for myself through Pharaoh and all his army, and the Egyptians will know that I am the Lord.”^(D) So the Israelites did this.

¹⁸ The Egyptians will know that I am the Lord^(A) when I gain glory through Pharaoh, his chariots and his horsemen.”