Exodus 10:2-4

Darby Translation

² and that thou mightest tell in the ears of thy son and thy son's son what I have wrought in Egypt, and my signs which I have done among them; and ye shall know that I am Jehovah.

³ And Moses and Aaron came to Pharaoh, and said to him, Thus saith Jehovah the God of the Hebrews: How long dost thou refuse to humble thyself before me? let my people go, that they may serve me.

⁴ For, if thou refuse to let my people go, behold, I will to-morrow bring locusts into thy borders;