John Chrysostom

"We are fools for Christ's sake, but ye are wise in Christ." Again, this also he spake in a way to abash them; implying that it is impossible for these contraries to agree, neither can things so distant from one another concur. "For how can it be," saith he, "that you should be wise, but we fools in the things relating to Christ?" That is: the one sort beaten and despised and dishonored and esteemed as nothing; the others enjoying honor and looked up to by many as a wise and prudent kind of people; it gives him occasion to speak …

Homily on 1 Corinthians 12 ↗

Theophylact of Ohrid

That is, we are driven out, persecuted, while you enjoy safety (by weakness he everywhere means temptations). Again, you are glorious and noble, while we are in dishonor. All this he says out of strong indignation. The meaning is this: how is it possible that we suffer affliction while you enjoy safety and lead a happy life? So then, it is evident that you are not in a good condition; on the contrary, your present conduct is dishonorable and unworthy of apostles, and therefore you ought not to boast of it.

Commentary on 1 Corinthians ↗

Thomas Aquinas

Then when he says, We are fools, he derides them in particular for scorning the apostles. First, he mentions the contempt; secondly, the cause (v. 11). In regard to the first he taunts them for attributing greatness to themselves and shortcomings to the apostles. …

Commentary on 1 Corinthians ↗