"The most satisfactory theory of the sublime is that of Emmanuel Kant in his Critic of the Judgment. This philosopher distinguishes two kinds of sublime... the mathematical sublime, which results from the intuitions of time and of space, and the dynamical sublime, that is derived from the idea of force. The dynamical sublime is immaterial or material, according to the nature of the physical or spiritual force which is the source of it: the spiritual force gives rise to a second subdivision, as far as it may be intellectual or moral."