TWO:67A short distance beyond this little caf lies the large bridge across the Meuse. Before the Germans arrived it was partly destroyed by the Belgians, but so inadequately that obviously the enemy could repair it easily. Bombs were therefore fired regularly from Fort Pontisse at the bridge, and only an hour ago it had been hit, with the result that a big hole was made in the undamaged part. In the road also big holes were made by the exploding projectiles. Having passed underneath the viaduct of the bridge, I found myself opposite Vis on the sloping bank of the Meuse. Two boys had been commanded by the Germans to work the ferry-30boat for them, and after I had shown them my passport, they took me to the other side.
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設計?製造?建設?メンテナンスまで自社一貫で担い、
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オンリーワンの技術を武器に、私たちと一緒にあらゆる分野のプラントエンジニアリングに挑戦してみませんか。
- THREE:We have now to consider what were the speculative motives that led Aristotle to overlook these contradictions, and to find rest in a theory even less satisfactory than the earlier systems which he is always attacking with relentless animosity. The first motive, we believe, was the train of reasoning, already laid before the reader, by which universal essences, the objects of knowledge, gradually came to be identified with particular objects, the sole existing realities. For the arguments against such an identification, as put forward by our philosopher himself, still remained unanswered. The individuals comprising a species were still too transient for certainty and too numerous for comprehension. But when for the antithesis between Form and Matter was substituted the antithesis between Actuality and Possibility, two modes of evasion presented themselves. The first was to distinguish between actual knowledge and potential knowledge.355 The former corresponded to existing particulars, the latter to general ideas.253 This, however, besides breaking up the unity of knowledge, was inconsistent with the whole tenor of Aristotles previous teaching. What can be more actual than demonstration, and how can there be any demonstration of transient particulars? The other mode of reconciliation was perhaps suggested by the need of an external cause to raise Possibility into Actuality. Such a cause might be conceived with all the advantages and without the drawbacks of a Platonic Idea. It would be at once the moving agent and the model of perfection; it could reconcile the general and the particular by the simple fact of being eternal in time, comprehensive in space, and unique in kind. Aristotle found such a cause, or rather a whole series of such causes, in the celestial spheres. In his system, these bear just the same relation to terrestrial phenomena that Platos Ideas bear to the world of sense. They are, in fact, the Ideas made sensible and superficial, placed alongside of, instead of beneath or behind, the transient particulars which they irradiate and sustain.
- THREE:Plotinus follows up his essay on the Virtues by an essay on Dialectic.498 As a method for attaining perfection, he places dialectic above ethics; and, granting that the apprehension of abstract ideas ranks higher than the performance of social duties, he is quite consistent in so doing. Not much, however, can be made of his few remarks on the subject. They seem to be partly meant for a protest against the Stoic idea that logic is an instrument for acquiring truth rather than truth itself, and also against the Stoic use or abuse of the syllogistic method. In modern phraseology, Plotinus seems to view dialectic as the immanent and eternal process of life itself, rather than as a collection of rules for drawing correct inferences from true propositions, or from propositions assumed to be true. We have seen how he regarded existence in the334 highest sense as identical with the self-thinking of the absolute Nous, and how he attempted to evolve the whole series of archetypal Ideas contained therein from the simple fact of self-consciousness. Thus he would naturally identify dialectic with the subjective reproduction of this objective evolution; and here he would always have before his eyes the splendid programme sketched in Platos Republic.499 His preference of intuitive to discursive reasoning has been quoted by Ritter as a symptom of mysticism. But here, as in so many instances, he follows Aristotle, who also held that simple abstraction is a higher operation, and represents a higher order of real existence than complex ratiocination.500A learner who goes from gearing and shafts to steam and hydraulics, from machine tools to cranes and hoisting machinery, will not accomplish much. The best way is to select at first an easy subject, one that admits of a great range of modification, and if possible, one that has not assumed a standard form of construction. Bearings and supports for shafts and spindles, [158] is a good subject to begin with.
TWO:This absolute separation of Form and Matter, under their new names of Thought and Extension, once grasped, various principles of Cartesianism will follow from it by logical necessity. First comes the exclusion of final causes from philosophy, or rather from Nature. There was not, as with Epicurus, any anti-theological feeling concerned in their rejection. With Aristotle, against whom Descartes is always protesting, the final cause was not a mark of designing intelligence imposed on Matter from without; it was only a particular aspect of Form, the realisation of what Matter was always striving after by virtue of its inherent potentiality. When Form was conceived only as pure thought, there could be no question of such a process; the most highly organised bodies being only modes of figured extension. The revival of Atomism had, no doubt, a great deal to do with the preference for a mechanical interpretation of life. Aristotle had himself shown with masterly clearness the difference between his view of Nature and that taken by Democritus; thus indicating beforehand the direction in which an alternative to his own teaching might be sought; and Bacon had, in fact, already referred with approval to the example set by Democritus in dealing with teleological enquiries.40
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TWO:And the causes whence it springs,