FORE:I went up to them and explained that there was no need at all to be afraid of me. They were able to give me news of the inhabitants of Villa Rustica. The owner had died a few days since, from a paralytic stroke, brought on by the emotions caused by the German horrors, whereas madame, who had heroically intervened on behalf of some victims, was probably at St. Hadelin College.Xenophon has recorded another dialogue in which a young man named Euthyd��mus, who was also in training for a statesman, and who, as he supposed, had learned a great deal more out of books than Socrates could teach him, is brought to see how little he knows about ethical science. He is asked, Can a man be a good citizen without being just? No, he cannot.��Can Euthyd��mus tell what acts are just? Yes, certainly, and also what are unjust.��Under which head does he put such actions as lying, deceiving, harming, enslaving?��Under the head of injustice.��But suppose a hostile people are treated in the various manners specified, is that unjust?��No, but it was understood that only one��s friends were meant.��Well, if a general encourages his own army by false statements, or a father deceives his child into taking medicine, or your friend seems likely to commit suicide, and you purloin a deadly weapon from him, is that unjust?��No, we must add ��for the purpose of harming�� to our definition. Socrates, however, does not stop here, but goes on cross-examining until the unhappy student is reduced to a state of hopeless bewilderment and shame. He is then brought to perceive the necessity of self-knowledge, which is explained to mean knowledge of one��s own powers. As a further exercise Euthyd��mus is put through his facings on the subject of good and evil. Health, wealth, strength, wisdom and beauty are mentioned as unquestionable goods. Socrates shows, in the style long afterwards imitated by Juvenal, that141 they are only means towards an end, and may be productive of harm no less than good.��Happiness at any rate is an unquestionable good.��Yes, unless we make it consist of questionable goods like those just enumerated.91

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FORE:There is, however, a principle in hydraulic machinery that must be taken into account, in comparing it with positively geared mechanism, which often leads to loss of power that in many cases will overbalance any gain derived from the peculiar action of hydraulic apparatus. I allude to the loss of power incident to dealing with an inelastic medium, where the amount of force expended is constant, regardless of the resistance offered. A hydraulic crane, for instance, consumes power in proportion to its movements, and not as the amount of duty performed; it takes the same quantity of water to fill the cylinders of such cranes, whether the water exert much or little force in moving the pistons. The difference between employing elastic mediums like air and steam, and an inelastic medium like water, for transmitting force in performing irregular duty, has been already alluded to, and forms a very interesting study for a student in mechanics, leading, as it does, to the solution of many problems concerning the use and effect of power.The dialectic theory, considered in its relation to physics, tended to substitute the study of uniformity for the study of mechanical causation. But the general conceptions established by science were a kind of soul in Nature; they were immaterial, they could not be perceived by sense, and yet, remaining as they did unchanged in a world of change, they were far truer, far more real, than the phenomena to which they gave unity and definition. Now these self-existent ideas, being subjective in their origin, readily reacted on239 mind, and communicated to it those attributes of fixedness and eternal duration which had in truth been borrowed by them from Nature, not by Nature from them. Plato argued that the soul was in possession of ideas too pure to have been derived from the suggestions of sense, and therefore traceable to the reminiscences of an ante-natal experience. But we can see that the reminiscence was all on the side of the ideas; it was they that betrayed their human origin by the birthmark of abstraction and finality��betokening the limitation of man��s faculties and the interest of his desires��which still clung to them when from a temporary law of thought they were erected into an everlasting law of things. As Comte would say, Plato was taking out of his conceptions what he had first put into them himself. And, if this consideration applies to all his reasonings on the subject of immortality, it applies especially to what he regards as the most convincing demonstration of any. There is one idea, he tells us, with which the soul is inseparably and essentially associated��namely, the idea of life. Without this, soul can no more be conceived than snow without cold or fire without heat; nor can death approach it without involving a logical contradiction. To assume that the soul is separable from the body, and that life is inseparable from the soul, was certainly an expeditious method of proof. To a modern, it would have the further disadvantage of proving too much. For, by parity of reasoning, every living thing must have an immortal soul, and every soul must have existed from all eternity. Plato frankly accepted both conclusions, and even incorporated them with his ethical system. He looked on the lower animals as so many stages in a progressive degradation to which human beings had descended through their own violence or sensuality, but from which it was possible for them to return after a certain period of penitence and probation. At other times he describes a hell, a purgatory, and a heaven, not unlike what we read of in240 Dante, without apparently being conscious of any inconsistency between the two representations. It was, indeed, an inconsistency such as we find in the highest order of intellects, the inconsistency of one who mediated between two worlds, between naturalistic metempsychosis on the one side, and ethical individualism on the other.

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