17:47 Saveth - That is, that he can save without these arms, and with the most contemptible weapons. The battle - That is, the events of war are wholly in his power. He will - David speaks thus confidently, because he was assured of it by a particular inspiration.
17:40-47 The security and presumption of fools destroy them. Nothing can excel the humility, faith, and piety which appear in David's words. He expressed his assured expectation of success; he gloried in his mean appearance and arms, that the victory might be ascribed to the Lord alone.
