Terror and dread fall upon them; because of the greatness of your arm, they are still as a stone, till your people, O LORD, pass by, till the people pass by whom you have purchased.
16. Fear and dread shall fall upon them. Some read this in the optative mood, but with little probability, as it seems to me; for Moses is not so much expressing wishes or prayers, as animating the Israelites to have a good hope, and to be firmly convinced that God would not make an end until He had finished the course of His grace.
Having read how that complete victory of Israel over the Egyptians was obtained, here we are told how it was celebrated; those that were to hold their peace while the deliverance was in working (Exo 14:14) must not hold their peace now that it was wrought; the less they had to do then the more they had to do now.
Commenting on Exodus 15:1-21
Fear and dread shall fall upon them.... On the several nations and people before mentioned, especially the Canaanites, which the Targums of Jonathan and Jerusalem interpret of the fear of death, lest the Israelites should fall upon them and destroy them, or God should fight for them, against them, and bring ruin and destruction on them: by the greatness of thine arm they shall be...