Preaching Jesus Christ according to the revelation of the mystery. 
 
 
Romans 16:25
 Now to him that is of power to stablish
you according to my gospel,
and the preaching of Jesus Christ,
according to the revelation of the mystery, 
which was kept secret since the world began,
 
 
 
Eph 3:9  And to make all men see what
is the fellowship of the mystery,
which from the beginning of the world hath been hid in God,
who created all things by Jesus Christ: