Acts 11:2

“And when Peter was come up to Jerusalem, etc.] From Caesarea, after he had stayed some certain days in Cornelius’s house; so a journey from Caesarea to Jerusalem is called an ascending from the one to the other, (<442501>Acts 25:1) because Jerusalem stood on higher ground, as well as was the metropolis of the country; and this was a journey of six hundred furlongs, or seventy five miles, for so far, according to Josephus f547, was Caesarea distant from Jerusalem: they that were of the circumcision, which phrase designs not only the circumcised Jews that believed in Christ, for such were all they of the church at Jerusalem, or at least proselytes that had been circumcised, for as yet there…”

“they . . . of the circumcision--not the Jewish Christians generally, for here there were no other, but such as, from their jealousy for "the middle wall of partition" which circumcision raised between Jew and Gentile, were afterwards known as "they of the circumcision." They doubtless embraced apostles as well as others.”

“They that were of the circumcision - Christians who had been converted from among the Jews. Contended with him - Disputed; reproved him; charged him with being in fault. This is one of the circumstances which show conclusively that the apostles and early Christians did not regard Peter as having any particular supremacy over the church, or as being in any special sense the vicar of Christ upon earth. If he had been regarded as having the authority which the Roman Catholics claim for him, they would have submitted at once to what he had thought proper to do. But the earliest Christians had no such idea of Peter’s so-called authority. This claim for Peter is not only opposed to this place, but…”

“they: Act 10:9, Act 10:45, Act 15:1, Act 15:5, Act 21:20-23; Gal 2:12-14 Acts 11:3”