Paul is confronting a significant issue within the Galatian church, where some members were confused about his stance on Jewish law, particularly circumcision. He emphasizes that if he were still advocating for circumcision as a requirement for salvation, he wouldn't be facing persecution. The persecution he endures is evidence that he preaches a message centered on the cross of Christ, which is offensive to those who rely on the law for righteousness.
The cross symbolizes a new covenant of grace, where salvation is accessed through faith in Jesus Christ, not through adherence to the law. This message was revolutionary and counter-cultural, especially for those who held tightly to Jewish traditions. Paul underscores that the cross has abolished the need for legalistic practices, offering instead a path to freedom and spiritual transformation through faith. His teachings encourage believers to embrace the liberating power of the Gospel, which unites all in Christ beyond cultural or religious boundaries.