The idea of a moral world thus has objective reality, not as if it pertained to an object of an intelligible intuition (for we cannot even think of such a thing), but as pertaining to the sensible world, although as an object of pure reason in its practi cal use and a corpus mysticum of the rational beings in it, insofar as their free choice under moral laws has thoroughgoing systematic unity in it self as well as with the freedom of everyone else.