John Chrysostom

"That in the ages to come, He might show the exceeding riches of His grace, in kindness towards us, in Christ Jesus." Whereas he had been speaking of the things which concerned Christ, and these might be nothing to us, (for what, it might be said, is it to us, that He rose) therefore he shows that they do moreover extend to us, inasmuch as He is made one with us. Only that our concern in the matter he states separately. …

Homily on Ephesians 4 ↗

Theophylact of Ohrid

Lest anyone doubt what has been said, he endeavors to make his speech more convincing, saying: if not for the sake of love toward us, then at least out of the desire to manifest His goodness, He will surely fulfill this. Now many do not believe this, but in the age to come all will know what God has granted us, seeing the saints in ineffable glory. …

Commentary on Ephesians ↗

Irenaeus

God, therefore, is one and the same, who rolls up the heaven as a book, and renews the face of the earth; who made the things of time for man, so that coming to maturity in them, he may produce the fruit of immortality; and who, through His kindness, also bestows [upon him] eternal things, "that in the ages to come He may show the exceeding riches of His grace;" who was announced by the law and the prophets, whom Christ confessed as His Father.

Irenaeus Against Heresies Book 4 ↗

Thomas Aquinas

Consequently, when he says "that he might shew in the ages to come," he discloses the final cause of the blessing which has been given. It can be read in two ways, depending on whether "ages to come" pertains to the present or future life. If it applies to this life, then age is a certain measure of time and a period of one generation. As though he affirmed: I am saying that we who are the first-fruits of those who sleep (cf. …

Commentary on Ephesians ↗