For this reason, I, Paul, the prisoner of Christ Jesus on behalf of you Gentiles-
References for Ephesians 3:1
you have heard, haven't you, about the administration of God's grace that He gave to me for you?
The mystery was made known to me by revelation, as I have briefly written above.
By reading this you are able to understand my insight about the mystery of the Messiah.
This was not made known to people in other generations as it is now revealed to His holy apostles and prophets by the Spirit:
References for Ephesians 3:5
the Gentiles are co-heirs, members of the same body, and partners of the promise in Christ Jesus through the gospel.