novel appearance of which almost anything might be affirmed or denied. Magnetism was known merely as an interesting property of the loadstone; electricity, as yet unnamed, had barely arrested attention as a peculiarity of amber, when excited by friction, to attract light substances. Nor had the mechanical arts been developed so as to admit of any practical application and stimulate the industries of civilization. Although automatic toys were sometimes constructed with considerable ingenuity,[1] the simplest labour-saving machine was as yet uninvented.[2] In the early centuries of our era knowledge had become stagnant, and further progress was not conceived of. One half of the world lived on frivolity; the individuality of the other half was sunk in metaphysical illusion. The people of this age contemplated nature without comprehending her operations; her forces were displayed before their eyes, but it never entered into their heads to master them and make them subservient to the needs of human life; they moved within a narrow cage unconscious of the barriers which confined them, without a thought of emerging to the freedom of the beyond; and an ordinary citizen of the present day is in the possession of information which would surprise and instruct the greatest sage of ancient Greece.
III. Religious.
The increase of knowledge in the nineteenth century has stripped every shred of supernaturalism from our conception of popular religions. The studies and inventions of modern
