• sitemap?ikzSu.xml
  • 中文 |

    Newsroom

    【11选5和值28】欢迎访问:新型冠状肺炎是什么冠状病毒

    2020-09-21 20:58:09

    《【11选5和值28】欢迎访问》On turning from the conduct of State affairs to the administration of justice in the popular law courts, we find the same tale of iniquity repeated, but this time with more telling satire, as Plato is speaking from his own immediate experience. He considers that, under the manipulation of dexterous pleaders, judicial decisions had come to be framed with a total disregard of righteousness. That disputed claims should be submitted to a popular tribunal and settled by counting heads was, indeed, according to his view, a virtual admission that no absolute standard of justice existed; that moral truth varied with individual opinion. And this200 is how the character of the lawyer had been moulded in consequence:—

    100

    Such a thinker was Xenophanes, of Colophon. Driven, like Pythagoras, from his native city by civil discords, he spent the greater part of an unusually protracted life wandering through the Greek colonies of Sicily and Southern Italy, and reciting his own verses, not always, as it would appear, to a very attentive audience. Elea, an Italiote city, seems to have been his favourite resort, and the school of philosophy which he founded there has immortalised the name of this otherwise obscure Phocaean settlement. Enough remains of his verses to show with what terrible strength of sarcasm he assailed the popular religion of Hellas. ‘Homer and Hesiod,’ he exclaims, ‘have attributed to the gods everything that is a shame and reproach among men—theft, adultery, and mutual deception.’12 Nor is Xenophanes content with attacking15 these unedifying stories, he strikes at the anthropomorphic conceptions which lay at their root. ‘Mortals think that the gods have senses, and a voice and a body like their own. The negroes fancy that their deities are black-skinned and snub-nosed, the Thracians give theirs fair hair and blue eyes; if horses or lions had hands and could paint, they too would make gods in their own image.’13 It was, he declared, as impious to believe in the birth of a god as to believe in the possibility of his death. The current polytheism was equally false. ‘There is one Supreme God among gods and men, unlike mortals both in mind and body.’14 There can be only one God, for God is Omnipotent, so that there must be none to dispute his will. He must also be perfectly homogeneous, shaped like a sphere, seeing, hearing, and thinking with every part alike, never moving from place to place, but governing all things by an effortless exercise of thought. Had such daring heresies been promulgated in democratic Athens, their author would probably have soon found himself and his works handed over to the tender mercies of the Eleven. Happily at Elea, and in most other Greek states, the gods were left to take care of themselves.

    Aristotle even goes so far as to eliminate the notion of sequence from causation altogether. He tells us that the causes of events are contemporary with the events themselves; those of past events being past; of present events, present; and of future events, future. ‘This thing will not be because that other thing has happened, for the middle term must be homogeneous with the extremes.’282 It is obvious that such a limitation abolishes the power of scientific prediction, which, if not the only test of knowledge, is at any rate its most valuable verification. The Stagirite has been charged with trusting too much to deductive reasoning; it now appears that, on the contrary, he had no conception of its most important function. Here, as everywhere, he follows not the synthetic method of the mathematician, but the analytic method of the naturalist. Finally, instead of combining the notions of cause and kind, he systematically confuses them. It will be remembered how his excellent division of causes into material, formal, efficient, and final, was rendered nugatory by the continued influence of Plato’s ideas. The formal cause always tended to absorb the other three; and it is by their complete assimilation that he attempts to harmonise the order of demonstration with the order of existence. For the formal cause of a phenomenon simply meant those properties which it shared with others of the same kind, and it was by virtue of those properties that it became a subject for general reasoning, which was interpreted as a methodical arrangement of concepts one within another, answering to the concentric disposition of the cosmic spheres.

    We have seen how Epicurus erected the senses into ultimate arbiters of truth. By so doing, however, he only pushed the old difficulty a step further back. Granting that our perceptions faithfully correspond to certain external images, how can we be sure that these images are themselves copies of a solid and permanent reality? And how are we to determine the validity of general notions representing not some single object but entire classes of objects? The second question may be most conveniently answered first. Epicurus holds that perception is only a finer sort of sensation. General notions are material images of a very delicate texture formed, apparently, on the principle of composition-photographs by the coalescence of many individual images thrown off from objects possessing a greater or less degree of resemblance to one another.186 Thought is produced by the contact of such images with the soul, itself, it will be remembered, a material substance.We have not far to seek for the cause of this fatal condemnation. Neo-Platonism is nothing if not a system, and as a system it is false, and not only false but out of relation to every accepted belief. In combining the dialectic of Plato with the metaphysics of Aristotle and the physics of Stoicism, Plotinus has contrived to rob each of whatever plausibility it once possessed. The Platonic doctrine of Ideas was an attempt to express something very real and important, the distinction between laws and facts in Nature, between general principles and particular observations in science, between ethical standards and everyday practice in life. The eternal Nous of Aristotle represented the upward struggle of Nature through mechanical, chemical, and vital337 movements to self-conscious thought. The world-soul of Stoicism represented a return to monism, a protest against the unphilosophical antithesis between God and the world, spirit and matter, necessity and free-will. Plotinus attempts to rationalise the Ideas by shutting them up in the Aristotelian Nous, with the effect of severing them still more hopelessly from the real world, and, at the same time, making their subjective origin still more flagrantly apparent than before. And along with the Stoic conception of a world-soul, he preserves all those superstitious fancies about secret spiritual sympathies and affinities connecting the different parts of Nature with one another which the conception of a transcendent Nous, as originally understood by Aristotle, had at least the merit of excluding. Finally, by a tremendous wrench of abstraction, the unity of existence is torn away from existence itself, and the most relative of all conceptions is put out of relation to the thought which, in the very same breath, it is declared to condition, and to the things which it is declared to create.

    Here, then, are three main points of distinction between our philosopher and his precursors, the advantage being, so far, entirely on their side. He did not, like the Ionian physiologists, anticipate in outline our theories of evolution. He held that the cosmos had always been, by the strictest necessity, arranged in the same manner; the starry revolutions never changing; the four elements preserving a constant balance; the earth always solid; land and water always distributed according to their present proportions; living321 species transmitting the same unalterable type through an infinite series of generations; the human race enjoying an eternal duration, but from time to time losing all its conquests in some great physical catastrophe, and obliged to begin over again with the depressing consciousness that nothing could be devised which had not been thought of an infinite number of times already; the existing distinctions between Hellenes and barbarians, masters and slaves, men and women, grounded on everlasting necessities of nature. He did not, like Democritus, distinguish between objective and subjective properties of matter; nor admit that void space extends to infinity round the starry sphere, and honeycombs the objects which seem most incompressible and continuous to our senses. He did not hope, like Socrates, for the regeneration of the individual, nor, like Plato, for the regeneration of the race, by enlightened thought. It seemed as if Philosophy, abdicating her high function, and obstructing the paths which she had first opened, were now content to systematise the forces of prejudice, blindness, immobility, and despair.

    We have seen what was the guiding principle of Cicero’s philosophical method. By interrogating all the systems of his time, he hoped to elicit their points of agreement, and to utilise the result for the practical purposes of life. As actually applied, the effect of this method was not to reconcile the current theories with one another, nor yet to lay the foundation of a more comprehensive philosophy, but to throw back thought on an order of ideas which, from their great popularity, had been incorporated with every system in turn, and, for that very reason, seemed to embody the precise points on which all were agreed. These were the idea of Nature, the idea of mind or reason, and the idea of utility. We have frequently come across them in the course of the present work. Here it will suffice to recall the fact that they had been first raised to distinct consciousness when the177 results of early Greek thought were brought into contact with the experiences of Greek life, and more especially of Athenian life, in the age of Pericles. As originally understood, they gave rise to many complications and cross divisions, arising from what was considered to be their mutual incompatibility or equivalence. Thus Nature was openly rejected by the sceptical Sophists, ignored by Socrates, and, during a long period of his career, treated with very little respect by Plato; reason, in its more elaborate forms, was slighted by the Cynics, and employed for its own destruction by the Megarians, in both cases as an enemy to utility; while to Aristotle the pure exercise of reason was the highest utility of any, and Nature only a lower manifestation of the same idealising process. At a later period, we find Nature accepted as a watchword by Stoics, Epicureans, and Sceptics alike, although, of course, each attached a widely different meaning to the term; the supremacy of reason, without whose aid, indeed, their controversies could not have been carried on, is recognised with similar unanimity; and each sect lays exclusive stress on the connexion of its principles with human happiness, thus making utility the foremost consideration in philosophy. Consequently, to whatever system a Roman turned, he would recognise the three great regulative conceptions of Greek thought, although frequently enveloped in a network of fine-spun distinctions and inferences which to him must have seemed neither natural nor reasonable nor useful. On the other hand, apart from such subtleties, he could readily translate all three into terms which seemed to show that, so far from being divided by any essential incompatibility, they did but represent different aspects of a single harmonious ideal. Nature meant simplicity, orderliness, universality, and the spontaneous consentience of unsophisticated minds. Reason meant human dignity, especially as manifested in the conquest of fear and of desire. And whatever was natural and reasonable seemed to satisfy the requirements of178 utility as well. It might seem also that these very principles were embodied in the facts of old Roman life and of Rome’s imperial destiny. The only question was which school of Greek philosophy gave them their clearest and completest interpretation. Lucretius would have said that it was the system of Epicurus; but such a misconception was only rendered possible by the poet’s seclusion from imperial interests, and, apparently, by his unacquaintance with the more refined forms of Hellenic thought. Rome could not find in Epicureanism the comprehensiveness, the cohesion, and the power which marked her own character, and which she only required to have expressed under a speculative form. Then came Cicero, with his modernised rhetorical version of what he conceived to be the Socratic philosophy. His teaching was far better suited than that of his great contemporary to the tastes of his countrymen, and probably contributed in no small degree to the subsequent discredit of Epicureanism; yet, by a strange irony, it told, to the same extent, in favour of a philosophy from which Cicero himself was probably even more averse than from the morality of the Garden. In his hands, the Academic criticism had simply the effect of dissolving away those elements which distinguished Stoicism from Cynicism; while his eclecticism brought into view certain principles more characteristic of the Cynics than of any other sect. The Nature to whose guidance he constantly appeals was, properly speaking, not a Socratic but a Sophistic or Cynic idea; and when the Stoics appropriated it, they were only reclaiming an ancestral possession. The exclusion of theoretical studies and dialectical subtleties from philosophy was also Cynic; the Stoic theology when purified, as Cicero desired that it should be purified, from its superstitious ingredients, was no other than the naturalistic monotheism of Antisthenes; and the Stoic morality without its paradoxes was little more than an ennobled Cynicism. The curve described by thought was determined by forces of almost179 mechanical simplicity. The Greek Eclectics, seeking a middle term between the Academy and the Porch, had fallen back on Plato; Cicero, pursuing the same direction, receded to Socrates; but the continued attraction of Stoicism drew him to a point where the two were linked together by their historical intermediary, the Cynic school. And, by a singular coincidence, the primal forms of Roman life, half godlike and half brutal, were found, better than anything in Hellenic experience, to realise the ideal of a sect which had taken Heracles for its patron saint. Had Diogenes searched the Roman Forum, he would have met with a man at every step.

    Institute of Plasma Physics, Hefei Institutes of Physical Science (ASIPP, HFIPS) undertakes the procurement package of superconducting conductors, correction coil, superconducting feeder, power supply and diagnosis, accounting for nearly 80% of China's ITER procurement package.

    "I am so proud of our team and it’s a great pleasure for me working here," said BAO Liman, an engineer from ASIPP, HFIPS, who was invited to sit near Chinese National flay on the podium at the kick-off ceremony to represent Chinese team. BAO, with some 30 ASIPP engineers, has been working in ITER Tokamak department for more than ten years. Due to the suspended international traveling by COVID-19, most of the Chinese people who are engaged in ITER construction celebrated this important moment at home through live broadcasting.

    One of ASIPP’s undertakes, the number 6 poloidal field superconducting coil (or PF6 coil) , the heaviest superconducting coil in the world, was completed last year, and arrived at ITER site this June. PF6 timely manufacturing and delivery made a solid foundation for ITER sub-assembly, it will be installed at the bottom of the ITER cryostat.

    Last year, a China-France Consortium in which ASIPP takes a part has won the bid of the first ITER Tokamak Assembly task, TAC-1, a core and important part of the ITER Tokamak assembly.

    Exactly as Bernard BIGOT, Director-General of ITER Organization, commented at a press conference after the ceremony, Chinese team was highly regarded for what they have done to ITER project with excellent completion of procurement package.

     

    The kick-off ceremony for ITER assembly (Image by Pierre Genevier-Tarel-ITER Organization) 

     

    the number 6 poloidal field superconducting coil (Image by ASIPP, HFIPS) 

      

    ITER-TAC1 Contract Signing Ceremony (Image by ASIPP, HFIPS)

    World dignitaries celebrate a collaborative achievement

    Related Articles
    Contact Us
    • 86-1077-685977521 (day)

      86-1077-6877597289 (night)

    • 86-1077-6851107795 (day)

      86-1077-6851277458 (night)

    • cas_en@cas.cn

    • 52 Sanlihe Rd., Beijing,

      China (100864)

    Copyright © 2002 - Chinese Academy of Sciences