“there is only one concretely existing order between God and creature in this concretely existing world: the order between original sin in Adam and redemption in Christ, the crucified.”301 Nor, for Przywara, can this single ordering of nature to grace be said to compromise the novelty of revelation and grace in Christ, as Barth feared. For, as he clearly states already in his philosophy of religion from 1926, “the incarnation of God is nothing that could in any way be calculated”; equally, however,