Exodus 7:8-13

8The Lord said to Moses and Aaron,

9“When Pharaoh tells you, ‘Perform a miracle,’ tell Aaron, ‘Take your staff and throw it down before Pharaoh. It will become a serpent.’”

10So Moses and Aaron went in to Pharaoh and did just as the Lord had commanded. Aaron threw down his staff before Pharaoh and his officials, and it became a serpent.

11But then Pharaoh called the wise men and sorcerers — the magicians of Egypt, and they also did the same thing by their occult practices.

12Each one threw down his staff, and it became a serpent. But Aaron’s staff swallowed their staffs.

13However, Pharaoh’s heart was hard, and he did not listen to them, as the Lord had said.