That led them by the right hand of Moses with his glorious arm; rather, that caused his glorious arm to attend at Moses' right hand—ready (as Dr. Weir says) to grasp him if he should stumble. Dividing the water before them; literally, cleaving the waters before their face (comp.
Exodus 14:21). To make himself an everlasting name (see Exodus 15:11-16). It was one of the main purposes of the entire series of miracles wrought in Egypt, "that God's Name might be declared throughout all the earth" (Exodus 9:16).