viz. To protect and provide for us according to his word given to us. Will God be as good as his word, or will he not? For it is to us very doubtful.
Related Commentaries of Exodus 17:7
Exodus 17:7
7 And he called the name of the place Massah,a and Meribah, because of the chiding of the children of Israel, and because they tempted the LORD, saying, Is the LORD among us, or not?