Great theories stand the test of time—shedding light on their subject’s essence despite varying contexts, technological upheavals or mutable human relations. One such work is Carl von Clausewitz’s On War. That said, with the detonation of the atomic bomb and the proliferation of nuclear weapons, many find Clausewitz wanting. How can there be a decisive battle without nuclear annihilation? Nuclear weapons seem to breach our understanding of force, suggesting the need for radically different conceptions of war. Enter Thomas C. Schelling and his work on The Strategy of Conflict