itself; which means to say, independent of its connection with the general system, i.e., the actual metaphysics of any philosophy. Such a demand must not only render the accomplishment of the task more difficult, but necessarily make it imperfect. Long ago Christian Wolff, in his Philosophia Practica (P. II., � 28) observed: “Tenebrae in philosophia practica non dispelluntur, nisi luce metaphysica effulgente” (Darkness in practical philosophy is only dispersed, when the light of metaphysics shines on it;) and Kant in the Preface to his Grundlegung zur Metaphysik der Sitten remarks: “Metaphysics must precede, and is in every case indispensable to, moral philosophy.” For, just as every religion on earth, so far as it prescribes morality, does not leave the latter to rest on itself, but backs