Exodus 7:7-9

Douay-Rheims 1899 American Edition

⁷ And Moses was eighty years old, and Aaron eighty-three, when they spoke to Pharao.

⁸ And the Lord said to Moses and Aaron:

⁹ 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.