Exodus 7:17
Thus says the LORD, In this you shall know that I am the LORD: behold, I will strike with the rod that is in mine hand upon the waters which are in the river, and they shall be turned to blood.
Thus says the LORD, In this you shall know that I am the LORD: behold, I will strike with the rod that is in mine hand upon the waters which are in the river, and they shall be turned to blood.