10 And so Moses and Aaron entered to Pharaoh, and they did just as the Lord had commanded. And Aaron took the staff in the sight of Pharaoh and his servants, and it was turned into a snake.
11 Then Pharaoh called the wise men and the sorcerers. And they also, by Egyptian incantations and certain secrets, did similarly.
12 And each one cast down their staffs, and they were turned into serpents. But the staff of Aaron devoured their staffs.
13 And the heart of Pharaoh was hardened, and he did not listen to them, just as the Lord had instructed.
14 Then the Lord said to Moses: "The heart of Pharaoh has been hardened; he is not willing to release the people.
15 Go to him in the morning; behold, he will go out to the waters. And you will stand to meet him above the bank of the river. And you will take, in your hand, the staff that was turned into a serpent.
16 And you will say to him: 'The Lord God of the Hebrews sent me to you, saying: Release my people in order to sacrifice to me in the desert. And even until the present time, you were not willing to listen.