But this objective reality of a pure concept of understanding in the realm of the suprasensible, once introduced, now gives objective reality to all the other categories as well though always only insofar as they are linked necessarily with the determining basis of the will (the moral law) except that this objective reality is one that has merely practical applicability, while having not the slightest influence on theoretical cognition of these objects, as insight into their nature by pure reason, so as to expand this cognition.