The distinguished Professor Emeritus of Union Theological Seminary offers here collection of essays, with two purposes in mind: to summarize and to revise pre-held opinions. The revisions move in the direction of a change from a purely point of view to one more inclusive of Jewish and Catholic traditions. As of Dr. Niebuhr's writings, man's individual and social existence, especially involve norms of justice and love, are a central theme. In addition to the essay, the volume contains essays on Man's Nature and His Communities, Man's As One Source of His Inhumanity, and Man's Selfhood in Its Self-Seeking and . As in other writings, too, the author shows his astonishing familiarity range of sources, combined with a close, pragmatic acquaintance with con events and trends.