This is a great mystery: but I speak concerning Christ and the church.
All Commentaries on Ephesians 5:32 Go To Ephesians 5
Irenaeus of Lyons
AD 202
They declare also that Paul has referred to the conjunctions within the Pleroma, showing them forth by means of one; for, when writing of the conjugal union in this life, he expressed himself thus: "This is a great mystery, but I speak concerning Christ and the Church."