Niebuhr was concerned throughout his life with the absolute
sovereignty of God and the issue of historical relativism. He considered
Karl Barth and
Ernst Troeltsch to be his main influences. He accepted from Barth and
neo-orthodoxy the absolute transcendence of God. He believed that God is above history, that he makes commands upon human beings, and that all history is under the control of this God. Niebuhr borrowed often from
Paul Tillich's notion of God. He was comfortable describing God as Being-itself, the One, or the
Ground of Being. In this regard, Niebuhr held something of a middle ground between the dogmatic but dialectical theology of Karl Barth and the philosophically oriented modified liberalism of Paul Tillich. Niebuhr was also concerned with historical
relativism. While God may be absolute and transcendent, human beings are not. Humans are a part of the flux and movement of the world. Because of this, how God is comprehended is never permanent. God is always understood differently by people at different times in history and in different social locations. Niebuhr's theology shows great sensitivity to how expressions of faith differ from one religious community to another. His thought in some respects anticipated latter-day liberal Protestant concerns about
pluralism and tolerance. However, in
The Kingdom of God in America (1937), he also criticized the then-liberal
social gospel, describing its message as, "A God without wrath brought men without sin into a kingdom without judgment through the ministrations of a Christ without a cross." Niebuhr was, by training, a Christian
ethicist. In this capacity, his biggest concern was how human beings relate to God, to each other, to their communities, and to the world. Niebuhr's theological ethics can be described, roughly, as relational. His greatest ethical treatise was
The Responsible Self, published shortly after his death. It was intended to be the prologue of a much larger book on ethics. His sudden death prevented his writing this work. In
The Responsible Self, Niebuhr dealt with human beings as responding agents. Human beings are always "in response" to some influence, whether another human being, a community, the natural order or history, or, above all, God.
Christ and Culture His most famous work is
Christ and Culture. It is often referenced in discussions and writings on a Christian's response to the world's culture. In the book, Niebuhr gives a history of how Christianity has responded to culture. He outlines five prevalent viewpoints: :
Christ against culture. For the exclusive Christian, history is the story of a rising church or Christian culture and a dying pagan civilization. :
Christ of culture. For the cultural Christian, history is the story of the Spirit's encounter with nature. :
Christ above culture. For the synthesist, history is a period of preparation under law, reason, gospel, and church for an ultimate communion of the soul with God. :
Christ and culture in paradox. For the dualist, history is the time of struggle between faith and unbelief, a period between the giving of the promise of life and its fulfillment. (Many have regarded the thought of Niebuhr's brother Reinhold as fitting into this category.) :
Christ transforming culture. For the conversionist, history is the story of God's mighty deeds and humanity's response to them. Conversionists live somewhat less "between the times" and somewhat more in the divine "now" than do the followers listed above. Eternity, to the conversionist, focuses less on the action of God before time or life with God after time, and more on the
presence of God in time. Hence the conversionist is more concerned with the divine possibility of a present renewal than with conservation of what has been given in creation or preparing for what will be given in a final redemption. ==Works==