From September, 1967, to April, 1968, Jürgen Moltmann, Professor of Theology at Tübingen University in Germany, sojourned in the United States. While he was pivotally located as Visiting Professor of Systematic Theology at Duke Divinity School, he traveled widely to almost every major region of the nation and visited many of the large academic and urban centers. This book is comprised of a portion of the lectures and essays with which Professor Moltmann introduced himself and his thought to the American continent. -- Translator's preface.