Here again we are impressed and even daunted by the immense Universe to be explored. What we know, is a point to what we do not know. Open any recent journal of science, and weigh the problems suggested concerning Light, Heat, Electricity, Magnetism, Physiology, Geology, and judge whether the interest of natural science is likely to be soon exhausted. Passing by many particulars of the discipline of nature, we must not omit to specify two. The exercise of the Will or the lesson of power is taught in every event.
Nature is thoroughly mediate.
It is made to serve. It receives the dominion of man as meekly as the ass on which the Saviour rode. It offers all its kingdoms to man as the raw material which he may mould into what is useful. Man is never weary of working it up. He forges the subtile and delicate air into wise and melodious words, and gives them wing as angels of persuasion and command.