Commentary on the Epistle to the Galatians
As a result we have this paradoxical situation: The Gospel supplies the world with the salvation of Jesus Christ, peace of conscience, and every blessing. Just for that the world abhors the Gospel.
These Jewish-Christian fanatics who pushed themselves into the Galatian churches after Paul's departure, boasted that they were the descendants of Abraham, true ministers of Christ, having been trained by the apostles themselves, that they were able to perform miracles.
In every way they sought to undermine the authority of St. Paul. They said to the Galatians: "You have no right to think highly of Paul. He was the last to turn to Christ. But we have seen Christ. We heard Him preach. Paul came later and is beneath us. It is possible for us to be in error