Jethro, the priest of Midian, Moses' father-in-law, heard of all that God had done for Moses and for Israel his people, how the Lord had brought Israel out of Egypt....
All the congregation of the people of Israel moved on from the wilderness of Sin by stages, according to the commandment of the Lord, and camped at Rephidim, but there was no water for the people to drink....
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....