Discussions of the problem of emergency powers often assume that norms and exceptions constitute its conceptual structure. This perspective is both self-undermining and dangerous. Because even the critics of emergency powers often rely on this dichotomy, clarifying the conceptual terrain might contribute to the development of a safer approach to emergencies. Hence, this article explores the origins and logic of modern exceptionalism by examining instances of its careful articulation in the history of political thought: in the “republican” exceptionalism of Machiavelli (...) and Rousseau and the “decisionist” exceptionalism of Schmitt and Hobbes. (shrink)