John Gills Exposition of the Bible Commentary - Psalms 68:21
But God shall wound the head of his enemies ,.... Him who is the chief of his enemies, even Satan the prince of devils, the god of the world, the father of the wicked Jews, all enemies of Christ; to "wound" is the same as to bruise him, as in Genesis 3:15 ; and so the Targum here, "but God shall break the head of his enemies;' disappoint his schemes, blast his designs, crush his power and authority, demolish his empire, and eternally destroy him with the fire prepared for him and his... read more
Matthew Henry's Complete Commentary - Psalms 68:15-21
David, having given God praise for what he had done for Israel in general, as the God of Israel (Ps. 68:8), here comes to give him praise as Zion's God in a special manner; compare Ps. 9:11. Sing praises to the Lord who dwelleth in Zion, for which reason Zion is called the hill of God. I. He compares it with the hill of Bashan and other high and fruitful hills, and prefers it before them, Ps. 68:15, 16. It is true, Zion was but little and low in comparison with them, and was not covered over... read more