Abstract: | ABSTRACTThis paper argues that John Locke’s interactions with the Quakers and his reflections on their doctrines and behaviour provide the salient background for understanding the content and polemical orientation of the chapter on enthusiasm in An Essay concerning Human Understanding. The terms of reference and key features of the vocabulary of the chapter “Of Enthusiasm” that Locke added to the fourth edition of the Essay derive from the Quakers and from Locke’s critical reflections on their doctrine of immediate inspiration. While Locke acknowledged that the phenomenon was to be found among other religious groups, it was the Quakers whom Locke had in mind when he formulated his philosophical critique of enthusiasm. |