Is not this a spiritual lesson also? When we obtain creature comforts, are they not sometimes, nay, for the most part, bitter? Marah means bitter. Ruth 1:20.
Related Commentaries of Exodus 15:23
Exodus 15:23
23 And when they came to Marah,b they could not drink of the waters of Marah, for they were bitter: therefore the name of it was called Marah.