  Kant holds that in this experience we do not just infer that we have such a faculty, but actually experience “a feeling that we have pure self-sufficient reason” (CPJ, §27, 5:258). In the case of the dynamical sublime, what we experience is a harmony between our imagination and practical reason. This experience is induced by natural objects that seem not just vast, but overwhelmingly powerful and threatening—volcanoes, raging seas, and the like (CPJ, §28, 5:261.  Kant’s examples were all commonplaces in the eighteenth century, going back to Joseph Addison’s illustrations of “grandeur” in Spectator 412, June 1712). Here we experience fear at the thought of our own physical injury or destruction followed by the satisfying feeling that we have