Davy;—that is, it may decide that it has not yet touched the bottom of its own subject; but still its aim will be to get to the bottom, and nothing more. With matter it began, with matter it will end; it will never trespass into the province of mind. The Hindoo notion is said to be that the earth stands upon a tortoise; but the physicist, as such, will never ask himself by what influence, external to the universe, the universe is sustained; simply because he is a physicist.
If indeed he be a religious man, he will of course have a very definite view of the subject; but that view of his is private, not professional,—the view, not of a physicist, but of a religious man; and this, not because physical science says any thing different, but simply because it says nothing at all on the subject, nor can do so by the very undertaking with which it set out. The question is simply extra artem. The physical philosopher has nothing whatever to do with final