And Moses brought Israel from the Red Sea, and they went forth into the wilderness of Sur: and they marched three days through the wilderness, and found no water.
And they came into Mara, and they could not drink the waters of Mara because they were bitter: whereupon he gave a name also agreeable to the place, calling it Mara, that is, bitterness.
And the people murmured against Moses, saying: What shall we drink?
But he cried to the Lord, and he shewed him a tree, which when he had cast into the waters, they were turned into sweetness. There he appointed him ordinances, and judgments, and there he proved him,
Saying: If thou wilt hear the voice of the Lord thy God, and do what is right before him, and obey his commandments, and keep all his precepts, none of the evils that I laid upon Egypt, will I bring upon thee: for I am the Lord thy healer.
And the children of Israel came into Elim, where there were twelve fountains of water, and seventy palm trees: and they encamped by the waters.