And the Lord spake unto Moses and unto Aaron After he had given them their commission, and instructions to go to Pharaoh, and a little before they went in to him:
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When Pharao shall say to you, Shew signs; thou shalt say to Aaron: Take thy rod, and cast it down before Pharao, and it shall be turned into a serpent.
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So Moses and Aaron went in unto Pharao, and did as the Lord had commanded. And Aaron took the rod before Pharao and his servants, and it was turned into a serpent.