When Pharaoh shall speak to you, saying, Show a wonder for you, then thou shall say to Aaron, Take thy rod, and cast it down before Pharaoh, that it become a serpent.
And Moses stretched forth his rod over the land of Egypt, and LORD brought an east wind upon the land all that day, and all the night, and when it was morning, the east wind brought the locusts.
But having answered, he said to them, An evil and adulterous generation seeks after a sign, and no sign will be given to it except the sign of Jonah the prophet.
Speak, and say, Thus says lord LORD: Behold, I am against thee, Pharaoh king of Egypt, the great monster that lays in the midst of his rivers, that has said, My river is my own, and I have made it for myself.
And Moses stretched forth his rod toward heaven, and LORD sent thunder and hail, and fire ran down to the earth, and LORD rained hail upon the land of Egypt.