John Chrysostom

Having checked the envy of those in lower rank, and having taken off the dejection which it was likely that they would feel from greater gifts having been vouchsafed to others, he humbles also the pride of these latter who had received the greater gifts. He had done the same indeed in his discourse also with the former. For the statement that it was a gift and not an achievement was intended to declare this. But now he doth it again even more vehemently, dwelling on the same image. …

Homily on 1 Corinthians 31 ↗

Theophylact of Ohrid

Having subdued those who have lesser gifts, he now turns his speech to those who have greater gifts and exalt themselves over those who do not have them. For, he says, just as the eye cannot say to the other members, "I have no need of you" (for when one member is lacking, the whole body is imperfect), so also those who have received greater gifts cannot exalt themselves over those who have received lesser gifts. For the former need the latter, since they alone by themselves cannot build up the Church. …

Commentary on 1 Corinthians ↗

Thomas Aquinas

Then when he says, the eye cannot, he compares the members with one another: first, as to need; secondly, as to the care shown to the members (v. 23); thirdly, as to mutual solicitude (v. 26). In regard to the first he does two things: first, he states that all the members of the body are necessary, although some are less honorable; secondly, he presents a comparison of their need (v. 22). First, he shows the reason for needing the members by reason of a twofold difference. …

Commentary on 1 Corinthians ↗