Exodus 7:13-15

EJ2000(i) 13 And Pharaoh’s heart became hard, that he hearkened not unto them as the LORD had said. 14 ¶ Then the LORD said unto Moses, Pharaoh’s heart is become grievous, for he refuses to let the people go. 15 Go unto Pharaoh in the morning; behold, he goes out unto the water; and thou shalt stand by the river’s brink before him and take in thy hand the rod which was turned to a serpent