Exodus 7:17 (KJV)
Thus saith the LORD In this thou shalt know that I am the LORD behold I will smite with the rod that is in mine hand upon the waters which are in the river and they shall be turned to blood
Thus saith the LORD In this thou shalt know that I am the LORD behold I will smite with the rod that is in mine hand upon the waters which are in the river and they shall be turned to blood