שמואל א, פרק י״ז, פסוק מ״ז

The confrontation between David and his Philistine enemy serves a much higher purpose than simply winning a physical fight. It is a profound lesson in faith, directed primarily at the Israelites who stand watching the battlefield. The impending victory is designed to prove the absolute nature of Divine providence.

David makes it clear that God does not bring salvation through swords and spears. On a practical level, he points this out simply because he holds no such weapons in his hands [מצודת דוד]. However, a deeper educational message is aimed directly at the Israelite audience. Until this moment, even though the Israelites believed in His providence, they assumed God operated through natural means. They believed they had to prepare weapons and fight the battle themselves, expecting God to merely tip the scales in their favor. This event proves to them that true salvation does not depend on natural preparations or weapons of war at all [מלבי״ם, אלשיך].

The realization that the conflict belongs entirely to God teaches that the campaign is attributed solely to Him, and human beings are not required to take action to determine its outcome [מלבי״ם]. This reality also explains the source of David's absolute confidence. He understands that this is not a fight for his own personal glory, but a defense of God's honor, which the enemy had publicly insulted. Because David is fighting God's war, he is completely certain that God will step in and fight on his behalf [אלשיך, מצודת דוד].

The inevitable result of this pure reliance on God is the complete defeat of the enemy. God has the power to hand the opposing forces over entirely, without the Israelites ever needing to lift a bow, shield, or sword [מלבי״ם, מצודת דוד].