Exodus 5:1 And afterward Moses and Aaron went in, and told Pharaoh, Thus saith the Lord God of Israel, Let my people go, that they may hold a feast unto me in the wilderness. 9 I MC VC

Exodus 5:2 And Pharaoh said, Who is the Lord, that I should obey his voice to let Israel go? I know not the Lord, neither will I let Israel go. 11 I MC VC