Then the Lord spoke to Moses and Aaron, saying,
And Moses was eighty years old and Aaron eighty-three years old when they spoke to Pharaoh.
“When Pharaoh speaks to you, saying, ‘Show a miracle for yourselves,’ then you shall say to Aaron, ‘Take your rod and cast it before Pharaoh, and let it become a serpent.’ ”
His signs and His acts which He did in the midst of Egypt, to Pharaoh king of Egypt, and to all his land;
