Exodus 11:7-9

Young's Literal Translation

⁷ `And against all the sons of Israel a dog sharpeneth not its tongue, from man even unto beast, so that ye know that Jehovah doth make a separation between the Egyptians and Israel;

⁸ and all these thy servants have come down unto me, and bowed themselves to me, saying, Go out, thou and all the people who [are] at thy feet; and afterwards I do go out;' -- and he goeth out from Pharaoh in the heat of anger.

⁹ And Jehovah saith unto Moses, `Pharaoh doth not hearken unto you, so as to multiply My wonders in the land of Egypt;'