so that the world (as we know it) is absolutely conditioned by these forms, and all experience must invariably and exactly correspond to them — just as everything that I see through a blue glass must appear blue. While the former, the so-called moral law, is something that experience pours ridicule on at every step; indeed, as Kant himself says, it is doubtful whether in practice it has ever really been followed on any single occasion. How completely unlike are the things which are here classed together under the conception of apriority! Moreover, Kant overlooked the fact that, according to his own teaching, in theoretical philosophy, it is exactly the Apriority of our knowledge of Time, Space, and Causality — independent as this is of experience — that limits it strictly to phaenomena, i.e., to the picture of the world as