Christian Thomasius (1655-1728) was a tireless campaigner against the political enforcement of religion in the early modern confessional state. In a whole series of combative disputations - against heresy and witchcraft prosecutions, and in favour of religious toleration - Thomasius battled to lay the intellectual groundwork for the separation of church and state and the juridical basis for pluralistic societies. In this text, Ian Hunter departs from...