Rees, "the most coherent reading of Mein Kampf is that whilst Hitler was prepared to believe in an initial creator God, he did not accept the conventional Christian vision of heaven and hell, nor the survival of an individual "soul" ... we are animals and just like animals we face the choice of destroying or being destroyed." Paul Berben wrote that insofar as the Christian denominations were concerned, Hitler declared himself to be neutral in Mein Kampfbut argued for clear separation of church and state, and for the church not to concern itself with the earthly life of the people, which must be the domain of the state. According to William Shirer, Hitler "inveighed against political Catholicism in Mein Kampf and attacked the two main Christian churches for their failure to recognise the racial problem", while also warning that no political party could succeed in "producing a religious reformation". In Mein Kampf Hitler wrote that Jesus "made no secret of his attitude toward the Jewish people, and when necessary he even took the whip to drive from the temple of the Lord this adversary of all humanity, who then as always saw in religion nothing but an instrument for his business existence. In return, Christ was nailed to the cross." Hitler wrote of the importance of a definite and uniformly accepted Weltanschauung (world view), and noted that the diminished position of religion in Europe had led to a decline in necessary certainties"yet this human world of ours would be inconceivable without the practical existence of religious belief". The various substitutes hitherto offered could not "usefully replace the existing denominations". Examining how to establish a new order, Hitler argued that the greatness of powerful organizations was reliant on intolerance of all others, so that the greatness of Christianity arose from the "unrelenting and fanatical proclamation and defence of its own teaching". Hitler rejected a view that Christianity brought civilization to the Germanic peoples, however: "It is therefore outrageously unjust to speak of the pre-Christian Germans as barbarians who had no civilization. They never have been such." Foreshadowing his conflict with the Catholic Church over euthanasia in Nazi Germany, Hitler wrote that the churches should give up missionary work in Africa, and concentrate on convincing Europeans that is more pleasing to God if they adopt orphans rather than "give life to a sickly child that will be a cause of suffering and