Exodus 8:17

14 and they heap them up together, and the land stinketh.

15 And Pharaoh seeth that there hath been a respite, and he hath hardened his heart, and hath not hearkened unto them, as Jehovah hath spoken.

16 And Jehovah saith unto Moses, `Say unto Aaron, Stretch out thy rod, and smite the dust of the land, and it hath become gnats in all the land of Egypt.`

17 And they do so, and Aaron stretcheth out his hand with his rod, and smiteth the dust of the land, and the gnats are on man and on beast; all the dust of the land hath been gnats in all the land of Egypt.

18 And the scribes do so with their flashings, to bring out the gnats, and they have not been able, and the gnats are on man and on beast;

19 and the scribes say unto Pharaoh, `It [is] the finger of God;` and the heart of Pharaoh is strong, and he hath not hearkened unto them, as Jehovah hath spoken.

20 And Jehovah saith unto Moses, `Rise early in the morning, and station thyself before Pharaoh, lo, he is going out to the waters, and thou hast said unto him, Thus said Jehovah, Send My people away, and they serve Me;