Nathaniel Berman's paper offers us a rich study of the interwar reflections about the intertwining between religion and nationalism, seen as ‘forces’ both dangerous and necessary, which should be ‘freed’ or ‘tamed’ in order to create a new political order. This theme is approached through its theorization by the French Collège de Sociologie and its non-academic philosophy of the sacred (mainly Bataille's transformation of the Durkheimian idea of a ‘left sacred’ and a ‘right sacred’), but also through the discourses and the practices of international law, by prominent lawyers, or through the way European nations dealt with the status of ‘minorities’ or with colonized people living under status of Protectorate. I much appreciate Berman's evocation of these various reflections and the way they ‘complicate’ (both as analysis and as symptoms) the problem of secularization as well as the question of legal internationalism. Let me develop these two points, before coming to some aspects of Berman's reflection that seem to me less convincing or more questionable.