and was determined to replace Christianity with a purely humanistic national culture. The sermon preached in Bremen is surely one of the outstanding sermons of the twentieth century.21 It is outstanding first of all because of the clarity and vision of its prophetic message, and second because it heralds the restoration of classical expository preaching as it had been exercised by the Fathers of the ancient Church and the Reformers of sixteenth-century Protestantism. No twenty-minute homily, this