The attempt of Positivism to confine all human knowledge to the observation and classification of phenomena, and arrest and foreclose all inquiry as to causes, efficient, final, and ultimate, is simply futile and absurd. It were just as easy to arrest the course of the sun in mid-heaven as to prevent the human mind from seeking to pass beyond phenomena, and ascertain the ground, and reason, and cause of all phenomena. The history of speculative thought clearly attests that, in all ages, the inquiry after the Ultimate Cause and Reason of all existence--the ἀρχή, or First Principle of all things--has been the inevitable and necessary tendency of the human mind; to resist which, skepticism and positivism have been utterly impotent. The first philosophers, of the Ionian school, had just as strong a faith in the existence of a Supreme Reality--an Ultimate Cause--as Leibnitz and Cousin. But when, by reflective thought, they attempted to render an account to themselves of this instinctive faith, they imagined that its object must be in some way appreciable to sense, and they sought it in some physical element, or under some visible and tangible shrine. Still, however imperfect and inadequate the method, and however unsatisfactory the results, humanity has never lost its positive and ineradicable confidence that the problem of existence could be solved. The resistless tide of spontaneous and necessary thought has always borne the race onward towards the recognition of a great First Cause; and though philosophy may have erred, again and again, in tracing the logical order of this inevitable thought, and exhibiting the necessary nexus between the premises and conclusion, yet the human mind has never wavered in the confidence which it has reposed in the natural logic of thought, and man has never ceased to believe in a God.