10So Moses and Aaron went to Pharaoh and did just as the LORD had commanded. Aaron threw his staff down before Pharaoh and his officials, and it became a serpent.
11But Pharaoh called the wise men and sorcerers and magicians of Egypt, and they also did the same things by their magic arts.
12Each one threw down his staff, and it became a serpent. But Aaron’s staff swallowed up the other staffs.
13Still, Pharaoh’s heart was hardened, and he would not listen to them, just as the LORD had said.
14Then the LORD said to Moses, “Pharaoh’s heart is unyielding; he refuses to let the people go.
15Go to Pharaoh in the morning as you see him walking out to the water. Wait on the bank of the Nile to meet him, and take in your hand the staff that was changed into a snake.
— Exodus 7:10-15

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