The Basis of Morality by Part 1 Chapter 1 Page 6

it by a body of dogmas (the chief end of which is precisely to be the prop of the moral sense); so with philosophy, the ethical basis, whatever it be, must itself attach to, and find its support in, one system of metaphysics or another, that is to say, in a presupposed explanation of the world, and of existence in general.

This is so, because the ultimate and true conclusion concerning the essential nature of the Universe must necessarily be closely connected with that touching the ethical significance of human action; and because, in any case, that which is presented as the foundation of morality, if it is not to be merely an abstract formula, floating in the clouds, and out of contact with the real world, must be some fact or other discoverable either in the objective kosmos, or else in man's consciousness; but,