Exodus 5:1-3

Darby Translation

5 And afterwards Moses and Aaron went in, and said to Pharaoh, Thus saith Jehovah, the God of Israel, Let my people go that they may celebrate a feast to me in the wilderness.

² And Pharaoh said, Who is Jehovah, to whose voice I am to hearken to let Israel go? I do not know Jehovah, neither will I let Israel go.

³ And they said, The God of the Hebrews has met with us: let us go, we pray thee, three days' journey into the wilderness, and sacrifice to Jehovah our God; lest he fall upon us with pestilence or with sword.