 The main theme of the work revolves around the mystic and moral character of Christianity and its subsequent transformation into a philosofico-theological system and a bureaucratic organization.In Buonaiuti's view, the main religions are not speculative views of the world or rational schematizations of reality, but normative indications of a set of pre-rational and spiritual behaviours.Christianity, born as an announcement of palingenesis, implied a huge social program "which imposed a progressive conceptual enrichment and an increasingly rigid disciplinary organization.