The text of a lecture delivered in German by the author in September 1944 in the Church of the village of Riehen at the Conference of Members of the Church Courts and Commissions and the Officials, Presidents and Directors of the Parish Choirs of Basle, and in English in January 1948 before the Theological Faculties of the Universities of Cambridge and Manchester. The English translation is by the Rev. James W. Leitch, B.D.