Dutch Reformed pastor Balthasar Bekker (1634-1698) has long been recognized as a key figure in the end of the witchcraft persecutions in early modern Europe. With the publication of his monumental four-volume work The World Bewitched Bekker argued against the temporal activity of the devil and evil spirits as well as against the reality of witchcraft, sorcery, and spirit possession. Yet Bekker's ideas drew opposition from Dutch Reformed clergymen who charged that his use of Cartesian philosophy to reject the temporal activity of spirits threatened much of traditional religious faith....