Ephesians 3:3

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

Ephesians 3:5

3:5 Now this secret was not disclosed to people in former generations as it has now been revealed to his holy apostles and prophets by the Spirit,

Ephesians 3:10

3:10 The purpose of this enlightenment is that through the church the multifaceted wisdom of God should now be disclosed to the rulers and the authorities in the heavenly realms.