He asked life of thee, and thou gavest it him, even length of days for ever and ever. He asked life of thee - This verse has caused some interpreters to understand the Psalm of Hezekiah's sickness, recovery, and the promised addition to his life of fifteen years; but it may be more literally understood of the Messiah, of whom David was the type, and in several respects the representative.
Related Commentaries of Psalms 21:4
Psalms 21:4
4 He asked life of thee, and thou gavest it him, even length of days for ever and ever.