Now aJethro, 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....
Then all the congregation of the sons of Israel journeyed by stages from the wilderness of aSin, according to the command of the Lord, and camped at bRephidim, and there was no water for the people to drink....
Then they set out from Elim, and all the congregation of the sons of Israel came to the wilderness of aSin, which is between Elim and Sinai, on bthe fifteenth day of the second month after their departure from the land of Egypt....
aThen Moses and the sons of Israel sang this song to the Lord, and said, "bI will sing to the Lord, for He is highly exalted; cThe horse and its rider He has hurled into the sea....