What Does Matthew 22:45 Mean?

If David then call him Lord, how is he his son? (εἰ οὖν Δαυὶδ καλεῖ αὐτὸν κύριον, πῶς υἱὸς αὐτοῦ ἐστιν;/ei oun Dauid kalei auton kyrion, pōs huios autou estin?) Jesus's question creates apparent paradox requiring theological resolution. The conditional 'if' (εἰ/ei) assumes the premise is true—David does call Messiah Lord in Psalm 110:1. Given this, how (πῶς/pōs) can Messiah simultaneously be David's son (υἱὸς αὐτοῦ/huios autou)? The question demands explanation of the relationship between Messiah's human descent and divine lordship.

The Pharisees cannot answer (verse 46). Their messianic theology is too small, too earthbound, too merely human. They expect political deliverer, military conqueror, earthly king restoring Israel's glory—but not God incarnate. The incarnation alone solves Jesus's riddle: Christ is David's son according to the flesh (Romans 1:3, Matthew 1:1), born of Mary in Davidic lineage, and David's Lord according to deity (Romans 9:5), the eternal Son of God who took on human nature. This mystery, which Pharisees couldn't comprehend, becomes the cornerstone of Christian confession—Jesus is fully God and fully man, one person with two natures.