Was a man already circumcised when he was called? He should not become uncircumcised. Was a man still uncircumcised when called? He should not be circumcised.
18. Circumcised, etc. As he had made mention of the calling, he takes occasion, from a particular instance, to make a digression for a little into a general exhortation, as he is wont to do in many instances; and, at the same time, he confirms, by different examples, what he had said respecting marriage.
Here the apostle takes occasion to advise them to continue in the state and condition in which Christianity found them, and in which they became converts to it. And here, I. He lays down this rule in general - as God hath distributed to every one. Note, Our states and circumstances in this world are distributions of divine Providence. This fixes the bounds of men's habitations, and orders their steps.
Commenting on 1 Corinthians 7:17-24
Is any man called being circumcised?.... That is, if any man that is a Jew, who has been circumcised in his infancy, is called by the grace of God, as there were many in those days, and many of them in the church at Corinth: let him not become uncircumcised; or "draw on" the foreskin; as some did in the times of Antiochus, for fear...