John Chrysostom

Now if it worketh wrath, and renders them liable for transgression, it is plain that it makes them so to a curse also. But they that are liable under a curse, and punishments, and transgression, are not worthy of inheriting, but of being punished and rejected. What then happens? faith comes, drawing on it the grace, so that the promise comes into effect. For where grace is, there is a remitting, and where remitting is, there is no punishment. …

Homily on Romans VIII ↗

Theophylact of Ohrid

Now he proves in what way "the promise is made of none effect." With the law, he says, transgression is joined, and transgression of the law produces wrath and subjects one to the curse and punishment. How then, one asks, is the one guilty of transgression worthy to inherit?

Commentary on Romans ↗

Cosmas Indicopleustes

But without law it is impossible there should be transgression, as saith the Apostle: For where there is no law there is no transgression, and Without the law sin is dead. So that the angels themselves in every way want to obtain freedom from the law and from mutation

The Christian Topography, Book 2 ↗

Thomas Aquinas

Then when he says for the law he proves the conditional statement through the effect or result of the law. First, he proposes the effect or result of the law; second, he proves it, at for where there is no law. He proves the conditional thus: If a promise is to be fulfilled through something which prevents its fulfillment, such a promise is void and the faith of believers futile. …

Commentary on Romans ↗