Galatians 2:13 - Matthew Poole's English Annotations on the Holy Bible

The fact was the worse, because those Christians which were of the church of Antioch, having been native Jews, followed his example, and made a separate party with him. Nay, Barnabas, my fellow labourer, who was joined with me in bringing the decrees of the council in the case, was carried away with their dissimulation. So dangerous and exemplary are the warpings and miscarriages of those that are eminent teachers.