The Apostle Paul
Ephesians 2:7ESV·traditional attribution

so that in the coming ages he might show the immeasurable riches of his grace in kindness toward us in Christ Jesus.

John Calvin Reformed @genevareformer

7. That in the ages to come. The final and true cause — the glory of God — is again mentioned, that the Ephesians, by making it the subject of earnest study, might be more fully assured of their salvation. He likewise adds, that it was the design of God to hallow, in all ages, the remembrance of so great goodness.

Matthew Henry Presbyterian @wholebiblehenry

Here the apostle begins his account of the glorious change that was wrought in them by converting grace, where observe, I. By whom, and in what manner, it was brought about and effected. 1. Negatively: Not of yourselves, Eph 2:8.

Commenting on Ephesians 2:4-10

John Gill Reformed Baptist @doctorgill

That in the ages to come,.... This is the end of God's permitting sin, in which men are morally dead; and of his suffering them to go on in sin, in a state of unregeneracy; and of his quickening them with Christ, and raising them up, and causing them to sit together with him: namely, that he might show the exceeding riches of his grace...