Preliminary Statement -- One. God and Nature -- A. Nature as Fact for Science -- B. Nature as Meaningful for Man -- C. Nature as Manifestation of God -- D. Nature as Work of God Open to Science -- Two. God and Man -- A. Man in the World with God -- B. Man as Knower -- C. Man as Knower of God -- Three. Man and Man -- A. The Human Self -- B. The State -- C. Art as Partial Hold on the Whole -- Four. Man and God -- A. Religion in General -- B. Christianity as Concrete Religion -- C. Immortality as a Free Possibility to Participate the One -- Concluding Statement -- Selected Bibliography