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A body in motion is something Aliquid cogitabile; but a body, at one and the same time in motion and not in motion, is nothing, or, at most, air articulated into nonsense. But a motory force of a body in one direction, and an equal force of the same body in an opposite direction is not incompatible, and the result, namely, rest, is real and representable.
The fragments read as follows: "... the motory nerves. I had hardly dared to hope for such a result, although inductive reasoning had convinced me of its possibility, my only doubt having been on the score of my lack of skill.
Our experience of the employment of electro-magnetism as a motory power is, however, too recent to enable us to foresee the ultimate results of contrivances to apply it; and, therefore, those who have devoted themselves to solve the problem of its application should not be discouraged, inasmuch as it would undoubtedly be a most important achievement to supersede the steam-engine, and thus escape the danger of railroads, even at double their expense.
I will not undertake to say whether we should in that case have had the physical feeling which I suppose is meant when these writers speak of “consciousness of effort:” I see no reason why we should not; since that physical feeling is probably a state of nervous sensation beginning and ending in the brain, without involving the motory apparatus: but we certainly should not have designated it by any term equivalent to effort, since effort implies consciously aiming at an end, which we should not only in that case have had no reason to do, but could not even have had the idea of doing.
Their operation has been only slightly impaired, and even this would not have been the case had the operation been performed in infancy, before the intellect had sought and obtained recognition as an essential part of the whole. Therefore I state, as a proved fact, that the cells of the motory nerves have inherent forces sufficient to the purposes of those nerves.
"Order of the day. Resumption of debate on ecclesiastical appropriations!" The Chamber suddenly came to life with a wild movement of dispersion, something comparable to the stampede of a herd or the panic of an army. The deputies of quickest motory reactions were on their feet in an instant, followed by dozens and dozens of others, all making for the doors. Whole blocks of seats were emptied.
But hardly so with the sensory nerves. Both of these latter tendencies, these evolvements, are merely refinements of the motory system, and not independent entities; that is to say, they are the blossoms of a plant that propagates from its roots. The motory system is the first ... nor am I surprised that such prodigious muscular energy is developing.
There is here no confluence of nerves into one reservoir, as evidence of the independent existence of sensibility as sensibility;—and therefore no counterpoise of a vascular system, as a distinct exponent of the irritable pole. The whole muscularity of these animals, is the organ of irritability; and the nerves themselves are probably feeders of the motory power.
The employment of the galvanic pile as a motory power, however, must, like every other contrivance, depend upon the question of its relative economy: probably some time hence it may so far succeed as to be adopted in certain favourable localities; it may stand in the same relation to steam power as the manufacture of beet sugar bears to that of cane, or as the production of gas from oils and resins to that from mineral coal.
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