John Chrysostom

"Moreover whom He did pre-destinate, them He also called; and whom He called, them He also justified." Now He justified them by the regeneration of the layer. "And whom He justified, them He also glorified" by the gift, by the adoption.

Homily on Romans 15 ↗

Theophylact of Ohrid

Those whom God predestined, He also called. Having called them, He also justified them, having freed them from sins and made them righteous through the laver of regeneration. And whom He justified, them He also glorified, having deemed them worthy of adoption and given them the other gifts.

Commentary on Romans ↗

Clement of Alexandria

"For if we live in the Spirit, let us also walk in the Spirit." "He that soweth to his flesh, shall of the flesh reap corruption; but he that soweth to the Spirit, shall of the Spirit reap life everlasting." But to those miserable men, witness to the Lord by blood seems a most violent death, not knowing that such a gate of death is the beginning of the true life; and they will understand neither the honours after death, which belong to those who have lived holily, nor the punishments of those who have lived unrighteously and …

The Stromata Book 4 ↗

Thomas Aquinas

Then, when he says "and whom he predestined," he mentions what happens on the part of the saint as a consequence of predestination. First, he mentions the call, when he says, "whom he predestined, them he also called." For predestination cannot be voided: "the Lord of hosts has sworn: as I have planned, so shall it be, and as I have purposed, so shall it stand" (Isa 14:24). Predestination begins to be carried out with the calling of the person. …

Commentary on Romans ↗