John 8:58 reveals Jesus' eternal pre-existence — 'I AM' — directly answering how David's son is also Lord.

Romans 1:3 states Jesus was descended from David according to the flesh, affirming his human lineage as David's son.

Romans 1:4 declares Jesus Son of God by resurrection, revealing the divine side of the Lord who is David's son.

Romans 9:5 calls Christ God over all—affirming the deity that makes him Lord even of David.

Philippians 2:6-8 describes Christ's incarnation and humility—explaining how the divine Lord became David's descendant.

Revelation 22:16 calls Jesus both root and offspring of David—directly addressing how he is both Lord and son.

Luke 20:42 records the same David quote about 'The Lord said to my Lord' — a parallel account of the question that silences the Pharisees.