For anyone who eats and drinks without discerning the body eats and drinks judgment on himself.
29. He who shall eat unworthily, eateth judgment to himself. He had previously pointed out in express terms the heinousness of the crime, when he said that those who should eat unworthily would be guilty of the body and blood of the Lord Now he alarms them, by denouncing punishment; “La punition que Dieu en fera;” — “The punishment that God will inflict upon it.”...
To rectify these gross corruptions and irregularities, the apostle sets the sacred institution here to view. This should be the rule in the reformation of all abuses. I. He tells us how he came by the knowledge of it. He was not among the apostles at the first institution; but he had received from the Lord what he delivered to them, Co1 11:23.
Commenting on 1 Corinthians 11:23-34
For this cause many are weak and sickly,.... Because of their unworthy participation of the Lord's supper, many in the Corinthian church were attended with bodily infirmities and diseases; either by way of fatherly chastisement and correction in such who were truly the Lord's people, though they had behaved unworthily; or by way of punishment to such who were not, and had sinned very grossly...