Exodus 11:7-9

King James Version

⁷ But against any of the children of Israel shall not a dog move his tongue, against man or beast: that ye may know how that the Lord doth put a difference between the Egyptians and Israel.

⁸ And all these thy servants shall come down unto me, and bow down themselves unto me, saying, Get thee out, and all the people that follow thee: and after that I will go out. And he went out from Pharaoh in a great anger.

⁹ And the Lord said unto Moses, Pharaoh shall not hearken unto you; that my wonders may be multiplied in the land of Egypt.