Afterward Moses and Aaron went and said to Pharaoh, "Thus says the Lord, the God of Israel, 'Let my people go, that they may hold a feast to me in the wilderness.'"...
But the Lord said to Moses, "Now you shall see what I will do to Pharaoh; for with a strong hand he will send them out, and with a strong hand he will drive them out of his land."...
Now Moses was keeping the flock of his father-in-law, Jethro, the priest of Midian, and he led his flock to the west side of the wilderness and came to Horeb, the mountain of God....
