Exodus 15:21-23

English Standard Version

²¹ And Miriam sang to them:

Bitter Water Made Sweet

²² Then Moses made Israel set out from the Red Sea, and they went into the wilderness of ^(B)Shur. They went three days in the wilderness and found no water. ²³ When they came to ^(C)Marah, they could not drink the water of Marah because it was bitter; therefore it was named Marah.^[a]