maintains, categorical. If we think away these conditions, the conception of obligation becomes void of sense; hence absolute obligation is most certainly a contradictio in adjecto.

A commanding voice, whether it come from within, or from without, cannot possibly be imagined except as threatening or promising. Consequently obedience to it, which may be wise or foolish according to circumstances, is yet always actuated by selfishness, and therefore morally worthless.

The complete unthinkableness and nonsense of this conception of an unconditioned obligation, which lies at the root of the Kantian Ethics, appears later in the system itself, namely in the Kritik der Praktischen Vernunft: just as some concealed poison in an organism cannot remain hid, but sooner or later must come out and