Galatians, Ephesians: New Testament Volume 10 - Hardcoverby Gerald L. Bray (Editor) The gospel of justification by faith alone was discovered afresh by the Reformers in the epistolary turrets of the New Testament: the letters to the Galatians and the Ephesians. At the epicenter of the exegetical revolution that rocked the Reformation era was Paul's letter to the Galatians. There Luther, Calvin, Bullinger and scores of others perceived the true gospel of Paul enlightening a situation parallel to their own