When Israel saw the great power that the LORD had exercised over the Egyptians, the people feared the LORD and believed in Him and in His servant Moses.
Exo 14:31 “The great hand:” i.e., the might which Jehovah had displayed upon Egypt. In addition to the glory of God through the judgment upon Pharaoh (Exo 14:4, Exo 14:17), the guidance of Israel through the sea was also designed to establish Israel still more firmly in the fear of the Lord and in faith.
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...
And Israel saw that great work which the LORD did upon the Egyptians: and the people feared the LORD, and believed the LORD, and his servant Moses. (n) That is, the doctrine which he taught them in the Name of the Lord.