This mystery is that the Gentiles are fellow heirs, members of the same body, and partakers of the promise in Christ Jesus through the gospel.
Here we have the account which Paul gives the Ephesians concerning himself, as he was appointed by God the apostle of the Gentiles. I. We may observe that he acquaints them with the tribulations and sufferings which he endured in the discharge of that office, Eph 3:1. The first clause refers to the preceding chapter, and may be understood either of these two ways: - 1.
Commenting on Ephesians 3:1-13
That the Gentiles should be fellowheirs,.... With the Jews, of all the blessings of grace, of lasting salvation, and of the eternal, incorruptible, and never fading inheritance in heaven; that they should be heirs of God, and joint heirs with Christ Jesus, and inherit all things: and heirs they are by being Christ's, and on account of their special adoption through him, and their justification...
Verse 6. That the Gentiles should be fellow-heirs. Fellow-heirs with the ancient people of god--the Jews--and entitled to the same privileges.