Exodus 7:7-9

New Revised Standard Version Catholic Edition

⁷ Moses was eighty years old and Aaron eighty-three when they spoke to Pharaoh.

Aaron’s Miraculous Rod

⁸ The Lord said to Moses and Aaron, ⁹ “When Pharaoh says to you, ‘Perform a wonder,’ then you shall say to Aaron, ‘Take your staff and throw it down before Pharaoh, and it will become a snake.’”