Exodus 14:31 in the King James Version
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.
Context
30 Thus the LORD saved Israel that day out of the hand of the Egyptians; and Israel saw the Egyptians dead on the seashore.
31 Israel saw the great work which the LORD did to the Egyptians, and the people feared the LORD; and they believed in the LORD and in his servant Moses.