But God will strike the heads of his enemies, the hairy crown of him who walks in his guilty ways.
David composed this psalm to celebrate victories God granted him over his enemies, most likely after his triumph over the Ammonites and Syrians when the ark returned to Jerusalem. The ark's ascent to the holy mountain prefigures Christ's far more glorious ascension to heaven after He conquered His enemies and ours. Though the psalm rises to great heights of sublimity, its interpretation presents considerable difficulty at many points.
AI summary
Commenting on Psalm 68:1-35
But God shall wound the head of his enemies. The Preserver is also the Destroyer. He smites his foes on the crown of their pride. The seed of the woman crushes the serpent's head. There is no defence against the Lord, he can in a moment smite with utter destruction the lofty crests of his haughty foes.
David, having given God praise for what he had done for Israel in general, as the God of Israel (Psa 68:8), here comes to give him praise as Zion's God in a special manner; compare Psa 9:11. Sing praises to the Lord who dwelleth in Zion, for which reason Zion is called the hill of God. I.
Commenting on Psalm 68:15-21