They set out from Elim, and all the congregation of the people of Israel came to the wilderness of Sin, which is between Elim and Sinai, on the fifteenth day of the second month after they had departed from the land of Egypt....
Then Moses and the people of Israel sang this song to the Lord, saying, "I will sing to the Lord, for he has triumphed gloriously; the horse and his rider he has thrown into the sea....
The Lord said to Moses, "Yet one plague more I will bring upon Pharaoh and upon Egypt. Afterward he will let you go from here. When he lets you go, he will drive you away completely....
Then the Lord said to Moses, "Go in to Pharaoh, for I have hardened his heart and the heart of his servants, that I may show these signs of mine among them,...
Then the Lord said to Moses, "Go in to Pharaoh and say to him, 'Thus says the Lord, the God of the Hebrews, "Let my people go, that they may serve me....
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."...
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.'"...
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....