Commentaries:
Barnes' Notes
His seed also will I make to endure for ever - That is, His posterity shall occupy the throne:
(a) this would have been true of his descendants, if they had been faithful to God, and had not revolted from him;
(b) it is true of him who is the successor of David in his spiritual kingdom, the Lord Jesus, the Messiah. Compare the notes at Isaiah 9:6-7.
And his throne as the days of heaven - As long as the heavens endure; that is, to the end of the world. Compare Psalms 72:5, note; Psalms 72:7, note; Psalms 72:17, note.
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