Human reason is by nature architectonic. (B 502)

Metaphysics has as the proper object of its enquiries three ideas only: God, freedom, and immortality. (B 395)

Thus all human knowledge begins with intuitions, proceeds from thence to concepts, and ends with ideas. (B 730)

A plant, an animal, the regular order of nature-probably also the disposition of the whole universe-give manifest evidence that they are possible only by means…

Reason, or the ratio of all we have already known, is not the same that it shall be when we know more.

The only link between the verbal and objective world is exclusively structural, necessitating the conclusion that the only content of all 'knowledge' is struct…

Thus the Age of Reason has turned out to be the Age of Structure; a time when, in the absence of purpose, the drive for power as a value in itself has become t…