Exodus 7:17-18

New International Version

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) 18} The fish in the Nile will die, and the river will stink;^(C) the Egyptians will not be able to drink its water.’”^(D)