regarding His Son, who was a descendant of David according to the flesh,
3. Concerning his own Son, etc. — This is a remarkable passage, by which we are taught that the whole gospel is included in Christ, so that if any removes one step from Christ, he withdraws himself from the gospel.
Paul titles himself a servant of Christ, his glory, not his shame. He was called to apostleship, not self-appointed like the false teachers. He was separated to the Gospel by God's counsel itself, set apart from birth to be entirely devoted to it, the Gospel of God Himself, divine in origin and extraction.
AI summary
Commenting on Romans 1:1-7
Concerning his Son Jesus Christ our Lord,.... These words are in connection with "the Gospel of God", Rom 1:1, and express the subject matter of it, the Son of God, Jesus Christ our Lord; for Christ, as the Son of God, the Saviour of sinners, the only Mediator between God and men, who is Lord both of the dead and living, is the sum and...