Exodus 5:1-2

Bricks Without Straw

1 Afterward Moses and Aaron went to Pharaoh and said, “This is what the LORD, the God of Israel, says: ‘Let my people go, so that they may hold a festival to me in the wilderness.’ ”
2 Pharaoh said, “Who is the LORD, that I should obey him and let Israel go? I do not know the LORD and I will not let Israel go.”