Exodus 15:22

19 For the horses of Pharaoh went in with his chariots and with his horsemen into the sea, and Jehovah brought back the waters of the sea upon them; but the children of Israel walked on dry land in the midst of the sea.

20 And Miriam the prophetess, the sister of Aaron, took a timbrel in her hand; and all the women went out after her with timbrels and with dances.

21 And Miriam answered them, Sing ye to Jehovah, for he hath triumphed gloriously; The horse and his rider hath he thrown into the sea.

22 And Moses led Israel onward from the Red Sea, and they went out into the wilderness of Shur; and they went three days in the wilderness, and found no water.

23 And when they came to Marah, they could not drink of the waters of Marah, for they were bitter: therefore the name of it was called Marah.

24 And the people murmured against Moses, saying, What shall we drink?

25 An he cried unto Jehovah; And Jehovah showed him a tree, and he cast it into the waters, and the waters were made sweet. There he made for them a statute and an ordinance, and there he proved them;