When Pharaoh shall speak to you saying, Give a miracle for yourselves, you shall say to Aaron, Take your rod, and throw it in front of Pharaoh. It shall become a snake.
And Moses stretched forth his rod over the land of Egypt, and Jehovah brought an east wind upon the land all that day and all the night. When it was morning, the east wind brought the locusts.
And Moses stretched forth his rod toward heavens. And Jehovah sent thunder and hail, and the fire came down to the ground. And Jehovah rained hail upon the land of Egypt.
Speak and say, So says the Lord Jehovah: Behold, I, even I, am against you, Pharaoh king of Egypt, the great dragon who lies in the midst of his rivers, who has said, My river is mine, and I have made it.
But He answered and said to them, An evil and adulterous generation seeks after a sign. And there shall be no sign given to it except the sign of the prophet Jonah.