It is actually reported that there is sexual immorality among you, and of a kind that is not tolerated even among pagans, for a man has his father’s wife.
1. It is generally reported that there is among you. Those contentions having originated, as has been observed, in presumption and excessive confidence, he most appropriately proceeds to make mention of their diseases, the knowledge of which should have the effect of humbling them. First of all, he shows them what enormous wickedness it is to allow one of their society to have an illicit connection with his mother-in-law.
Here the apostle states the case; and, I. Lets them know what was the common or general report concerning them, that one of their community was guilty of fornication, Co1 5:1. It was told in all places, to their dishonour, and the reproach of Christians. And it was the more reproachful because it could not be denied. Note, The heinous sins of professed Christians are quickly noted and noised abroad.
Commenting on 1 Corinthians 5:1-6
It is reported commonly that there is fornication among you,.... The apostle having reproved the Corinthians for their schisms and divisions about their ministers, proceeds to charge them with immoralities committed among them, and which were connived at, and took no notice of by them; and particularly a very notorious one, which he here mentions with its aggravated circumstances.