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 prehensible than as an immediate spiritual influence, there remains nothing but its law, the execution of which on a vast scale is the mechanism of the heavenly motions. The theory of natural philosophy would then be completed, when all nature was demonstrated to be identical in essence with that, which in its highest known power exists in man as intelligence and self-consciousness; when the heavens and the earth shall declare not only the power of their maker, but the glory and the presence of their God, even as he appeared to the great prophet during the vision of the mount in the skirts of his divinity.

This may suffice to show, that even natural science, which commences with the material phænomenon as the reality and substance of things existing, does yet by the necessity of theorising unconsciously, and as it were instinctively, end in nature as an intelligence; and by this tendency the science of nature becomes finally natural philosophy, the one of the two poles of fundamental science.

2.

In the pursuit of these sciences, our success in each, depends on an austere and faithful adherence to its own principles with a careful