15 Go to Pharaoh in the morning, as he is going out to the water, and stand on the bank of the Nile to meet him. Take in your hand the staff that turned into a serpent. 16 And you shall say to him, ‘The Lord, the God of the Hebrews, sent me to you, saying, ⁱ“Let my people go, that they may serve me in the wilderness.” But so far, you have not obeyed. 17 Thus says the Lord, “By this ^jyou shall know that I am the Lord: behold, with the staff that is in my hand I will strike the water that is in the Nile, and ^kit shall turn into blood.