Exodus 7:11-13

New Revised Standard Version, Anglicised Catholic Edition

¹¹ Then Pharaoh summoned the wise men and the sorcerers; and they also, the magicians of Egypt, did the same by their secret arts. ¹² Each one threw down his staff, and they became snakes; but Aaron’s staff swallowed up theirs. ¹³ Still Pharaoh’s heart was hardened, and he would not listen to them, as the Lord had said.