everything else known a priori, and consequently has only to do with the Form of actions, not with their Essence. Let it be thought what this means! He emphatically adds (p. vi of the preface to the Grundlegung; R., p.

5) that it is “useless to look for it either subjectively in man's nature, or objectively in the accidents of the external world,” and (preface of the same, page vii; R., p. 6) that “nothing whatever connected with it can be borrowed from knowledge relating to man, i.e., from anthropology.” On page 59 (R., p. 52) he repeats, “That one ought on no account to fall into the mistake of trying to derive one's principle of morality from the special constitution of human nature”; and again, on page 60 (R., p. 52), he says that, “Everything