21. and she responded to them:Sing to the Lord, for he is gloriously triumphant;horse and chariot he has cast into the sea.
22. Then Moses led Israel forward from the Red Sea, and they marched out to the wilderness of Shur. After traveling for three days through the wilderness without finding water,
23. they arrived at Marah, where they could not drink its water, because it was too bitter. Hence this place was called Marah.
24. As the people grumbled against Moses, saying, “What are we to drink?”