He asked life of you; you gave it to him, length of days forever and ever.
PSALM 21. This psalm contains a public and solemn thanksgiving for the prosperous and happy condition of the king. Its subject is almost the same with that of the preceding. “What was anticipated in the preceding psalm, the present poem appears to celebrate as having been achieved.” — Drake’s Harp of Judah.
Commenting on Psalm 21:1-13
"He asked life of thee, and thou gavest it him, even length of days for ever and ever." The first words may suit King David, but the length of days for ever and ever can only refer to the King Messiah. Jesus, as man, prayed for resurrection and he received it, and now possesses it in immortality. He died once, but being raised from the dead he dieth no more.
David here speaks for himself in the first place, professing that his joy was in God's strength and in his salvation, and not in the strength or success of his armies. He also directs his subjects herein to rejoice with him, and to give God all the glory of the victories he had obtained; and all with an eye to Christ, of whose triumphs over...
Commenting on Psalm 21:1-6