This book is the revelation of the mystery
of Christ that has been hidden from man
since the creation of the world according
to Romans 16:25.
Now to him who is able to establish 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, that is,
the mystery which has been hidden from
the past ages and generations, but has
now been manifested to His saints, -
Colossians 1:26
In reading this, then, you will be able to
understand my insight into the mystery of
Christ, - Ephesians 3:4
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: -
Ephesians 3:9