35. Teacheth my hands to war. David was a skillful and successful warrior, and in this he ascribes his success to God. He did not engage in selfish or ruthless warfare, but fought the battles of the Lord, and thus he could look to God for skill as well as protection and guidance.
A bow of steel. Literally, “a bow of bronze.” Ancient warriors were proud of their strength in bending the bow. The Lord had given David strength and skill to wield successfully the weapons of war.