and Constantinople, is the so-called homoousion, the confession that Jesus Christ the incarnate Son is of one being or of one substance with God the Father. Because Jesus Christ is God of God and man of man in himself, in Christ we who are creatures of this world may know God in such a way that our knowledge of him rests upon the reality of God himself. It is not something that is thought up and devised out of ourselves and mythologically projected into God, but it is grounded and controlled by what