The Epistle to the Galatians, written by Paul, confronts the issue of legalism and the distortion of the Gospel. Paul emphasizes salvation by faith in Christ and challenges the Galatian believers to resist the pressure to observe the Jewish rituals and laws for justification. He underscores the freedom found in Christ, the importance of living by the Spirit, and the transformational power of the cross. Galatians calls believers to embrace the true Gospel and to live in the freedom and grace provided by Jesus.