Ephesians 3:3

3:3 that by revelation the divine secret was made known to me, as I wrote before briefly.

Ephesians 3:6

3:6 namely, that through the gospel the Gentiles are fellow heirs, fellow members of the body, and fellow partakers of the promise in Christ Jesus.

Ephesians 3:8-9

3:8 To me – less than the least of all the saints – this grace was given, to proclaim to the Gentiles the unfathomable riches of Christ 3:9 and to enlighten everyone about God’s secret plan – a secret that has been hidden for ages in God who has created all things.