5. And the Egyptians shall know that I am Jehovah, when I stretch forth my hand upon Egypt, and bring out the children of Israel from among them.
6. And Moses and Aaron did so; as Jehovah commanded them, so did they.
7. And Moses was fourscore years old, and Aaron fourscore and three years old, when they spake unto Pharaoh.
8. And Jehovah spake unto Moses and unto Aaron, saying,
9. When Pharaoh shall speak unto you, saying, Show a wonder for you; then thou shalt say unto Aaron, Take thy rod, and cast it down before Pharaoh, that it become a serpent.