thought, but known (gewusst). The Latin conscientia, and the Greek s??e?d?s?? have the same sense. Conscience is thus the knowledge that a man has about what he has done.

The second point of difference between the alleged Categorical Imperative and Conscience is, that the latter always draws its material from experience; which the former cannot do, since it is purely a priori.

Nevertheless, we may reasonably suppose that Kant's Doctrine of Conscience will throw some light on this new conception of an absolute Ought which he introduced. His theory is most completely set forth in the Metaphysische Anfangsgr�nde zur Tugendlehre, � 13, and in the following criticism I shall assume that the few pages which contain it are lying before the reader.