John Gills Exposition of the Bible Commentary - Psalms 68:18
Thou hast ascended on high ,.... Which is to be understood, not of Moses ascending up to the firmament, as the Targum and Jarchi interpret it, of which we nowhere read; nor of David's going up to the high fortresses, as Aben Ezra; nor of God's ascent from Mount Sinai; but of Christ's ascension to heaven, as the apostle cites and explains it in Ephesians 4:8 ; which ascension respects him as man, was not figurative, as in Genesis 17:22 ; but real and local, from earth to heaven, and was... 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