Among the essays in which Goethe in later years gave out some of the results of his scientific observation in axiomatic form, is one called ‘Intuitive Judgment’ (‘Anschauende Urteilskraft’), in which he maintains that he has achieved in practice what Kant had declared to be for ever beyond the scope of the human mind. Goethe refers to a passage in the Critique of Judgment, where Kant defines the limits of human cognitional powers as he had observed them in his study of the peculiar nature of the human reason. We must first go briefly into Kant’s own exposition of the matter.¹