No More Learning

As, therefore, he considered merely the           of objects, and not their position in intuition, in which alone objects can be given, and left quite out of sight the transcendental locale of these conceptions --whether, that their object ought to be classed among phenomena, or among things themselves, was to be expected that he should extend the application of the principle
of indiscernibles, which valid solely of conceptions of things in general, to objects of sense (mundus phenomenon), and that he should believe that he had thereby contributed in no small degree to extend our knowledge of nature.