(For he that worked effectually in Peter to the apostleship of the circumcision, the same was mighty in me toward the Gentiles:)
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Cornelius a Lapide
AD 1637
He that wrought effectually in Peter to the apostleship of the circumcision—to make him the Apostle of the circumcised Jews by filling Peter with strength and effectual energy, did exactly the same for me among the Gentiles. As Ephrem puts it, he was alike effectual in us, both by working signs and wonders, by efficacy of speech, by the conversion of some—many—to Christ.
With regard to those (the Marcionites) who allege that Paul alone knew the truth, and that to him the mystery was manifested by revelation, let Paul himself convict them, when he says, that one and the same God wrought in Peter for the apostolate of the circumcision, and in himself for the Gentiles.
Paul allows that Peter, following Jewish custom, was without blame in his temporary observation of what was amiss so as not to lose those entrusted to him. But it was Paul’s own duty for the sake of the gospel truth to do what was entrusted to him among the uncircumcised, so that the Gentiles would not depart from their faith and belief in Christ through fear of the burdens and rigor of the law. –.
For He that wrought for Peter unto the Apostleship of the Circumcision wrought for me also unto the Gentiles.
He calls the Gentiles the Uncircumcision and the Jews the Circumcision, and declares his own rank to be equal to that of the Apostles; and, by comparing himself with their Leader not with the others, he shows that the dignity of each was the same. After he had established the proof of their unanimity, he takes courage, and proceeds confidently in his argument, not stopping at the Apostles, but advances to Christ Himself, and to the grace which He had conferred upon him, and calls the Apostles as his witnesses,
