Philosophy and religion. Michael Hoelzl was invited to give a keynote paper at a conference in Berlin based on the work of Michel de Certeau and organised by the University of Köln and the Marie-Dominique Chenu Institute. His presentation was entitled 'The political significance of pastoral power today’ and the conference had the theme ‘In Defence of Difference’. 10-12 September 2021, Militärbischofsamt Berlin.