Which in other ages was not made known.— The following verse so plainly determines this passage to the calling of the Gentiles, that there can be no controversy as to the general sense of it. It was, indeed, known long before that the Gentiles were to be added to the church; but it was not known that they should be heirs of the same inheritance, and partakers of the peculiar promise of the Spirit. The Jews rather thought of their being slaves to them; and least of all did they imagine, that the middle wall of their ceremonies should be broken down, and the Gentiles admitted to the full privileges of God's people without circumcision and obedience to the Mosaic law; which the Christian converts among them heard of at first with great amazement. See Acts 10:45; Acts 11:18.
Related Commentaries of Ephesians 3:5
Ephesians 3:5
5 Which in other ages was not made known unto the sons of men, as it is now revealed unto his holy apostles and prophets by the Spirit;