Psalm 18:34
"He teacheth my hands to war, so that a bow of steel is broken by mine arms."
Cross References (ranked by relevance)
Blessed be the LORD my strength, which teacheth my hands to war, and my fingers to fight:
He maketh wars to cease unto the end of the earth; he breaketh the bow, and cutteth the spear in sunder; he burneth the chariot in the fire.
Thus saith the LORD to his anointed, to Cyrus, whose right hand I have holden, to subdue nations before him; and I will loose the loins of kings, to open before him the two leaved gates; and the gates shall not be shut;
Thou hast also given me the shield of thy salvation: and thy gentleness hath made me great.
And for a spirit of judgment to him that sitteth in judgment, and for strength to them that turn the battle to the gate.
Thus saith the LORD of hosts; Behold, I will break the bow of Elam, the chief of their might.
And it shall come to pass at that day, that I will break the bow of Israel in the valley of Jezreel.