8. Now the Lord spoke to Moses and to Aaron, saying,
9. “When Pharaoh shall speak to you, saying, ‘Show a miracle,’ then you shall say to Aaron, ‘Take your rod, and throw it before Pharaoh,’ and it shall become a serpent.”
10. So Moses and Aaron went to Pharaoh, and they did what the Lord had commanded. And Aaron threw down his rod before Pharaoh and before his servants, and it became a serpent.
11. Then Pharaoh also called the wise men and the sorcerers. Then the magicians of Egypt likewise performed with their secret arts.
12. For every man threw down his rod, and they became serpents. But Aaron’s rod swallowed up their rods.
13. Nonetheless, Pharaoh’s heart hardened so that he would not listen to them, just as the Lord had said.
14. The Lord said to Moses, “Pharaoh’s heart is hardened. He refuses to let the people go.