John Chrysostom

"Nay, much rather those members of the body, which seem to be more feeble are necessary: And those parts of the body which we think to be less honorable, upon these we bestow more abundant honor; and our uncomely parts have more abundant comeliness." In every clause adding the term "body," and thereby both consoling the one and checking the other. "For I affirm not this only," saith he, "that the greater have need of the less, but that they have also much need. …

Homily on 1 Corinthians 31 ↗

Theophylact of Ohrid

Now he proves that the members considered lesser are both useful and necessary; for they only seem lesser, but are not so in reality. What then are these members that appear weaker and more dishonorable, yet are necessary? Some say these are the reproductive organs, which are considered dishonorable and uncomely, yet are so necessary that without them there is no life. To them we also bestow greater honor; for a person may be naked in the whole body, but will not allow them to remain uncovered. …

Commentary on 1 Corinthians ↗

Thomas Aquinas

Then when he says, on the contrary, he compares various members to one another in regard to their necessity, saying that the members of the body that seem weaker are more necessary, as the intestine. So, too, in the Church without the functions performed by certain lowly persons, such as farmers and others of that kind, the present life could not be gone through, which, however, can be led without certain more excellent persons dedicated to contemplation and to wisdom, who serve the Church by making it more ornate and in better …

Commentary on 1 Corinthians ↗