Israel saw the great power that the LORD used against the Egyptians, so the people feared the LORD, and they believed in the LORD and in his servant Moses.
31. And Israel saw. After he has said that the Israelites saw the dead bodies spread upon the seashore, he now adds that in this spectacle God’s hand, So in margin, A.V. i.e., His power, appeared, because there was no difficulty in distinguishing between God’s wrath and His fatherly love, in preserving so miraculously an unwarlike multitude, and in destroying in the depths of the...
We have here the history of that work of wonder which is so often mentioned both in the Old and New Testament, the dividing of the Red Sea before the children of Israel. It was the terror of the Canaanites (Jos 2:9, Jos 2:10), the praise and triumph of the Israelites, Psa 114:3; Psa 106:9; Psa 136:13, Psa 136:14. It was a type of baptism, Co1 10:1, Co1 10:2.
Commenting on Exodus 14:21-31
And Israel saw the great work,.... Or "hand" (l); the hand of the Lord, the mighty power of God, and took notice of it, and seriously considered the greatness of it: which the Lord did upon the Egyptians; which mighty hand he laid upon them, and which great power he exercised on them, and which great work, the effect thereof, he wrought in destroying them...