Therefore being a prophet, and knowing that God had sworn with an oath to him, that of his descendants, according to the flesh, he would raise up Christ to sit on his throne;
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Tertullian of Carthage
about the fruit of his loins, about the One who would sit upon his throne.:
Now, those who explain this simply of Solomon, they will send me into a fit of laughter. For David will evidently have brought forth Solomon! But is not Christ here designated the seed of David, as of that womb which was derived from David, that is, Mary's? Now, because Christ rather than any other was to build the temple of God, that is to say, a holy manhood, wherein God's Spirit might dwell as in a better temple, Christ rather than David's son Solomon was to be looked for as the Son of God. Then, again, the throne for ever with the kingdom for ever is more suited to Christ than to Solomon, a mere temporal king.