Exodus 15:23 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. 10 I MC VC

Exodus 15:24 And the people murmured against Moses, saying, What shall we drink? 10 I MC VC

Exodus 15:25 And he cried unto the Lord; and the Lord shewed him a tree, which when he had cast into the waters, the waters were made sweet: there he made for them a statute and an ordinance, and there he proved them, 10 I MC VC