21. And Miryam sang to them, Sing ye to Hashem, for He hath triumphed gloriously; the sus and its rider hath He thrown into the yam.
22. So Moshe brought Yisroel from the Yam Suf, and they went out into the midbar of Shur; and they went shloshet yamim in the midbar, and found no mayim.
23. And when they came to Marah (Bitter Place), they could not drink of the mayim from Marah, for they were marim; therefore the shem of it was called Marah.
24. So the people murmured against Moshe, saying, Mah nishteh (what shall we drink)?
25. And he cried unto Hashem; and Hashem showed him an etz (tree) which when he had cast into the mayim, the waters were made sweet (i.e., potable, fit for drinking); at that place He made for them a chok (statute, requirement, obligation) and a mishpat (divine judgment), and there He tested them,