Ephesians 1:9

9 amaking known
Or  he lavished upon us in all wisdom and insight, making known . . .
to us the mystery of his will, caccording to his purpose, which he dset forth in Christ

Ephesians 3:6

6This mystery is
The words This mystery is are inferred from verse 4
that the Gentiles are ffellow heirs, gmembers of the same body, and hpartakers of the promise in Christ Jesus through the gospel.

Copyright information for ESV