THREE:Plotinus passes by an almost insensible transition from the more elementary and analytical to the more constructive portion of his philosophy. This naturally falls into two great divisions, the one speculative and the other practical. It has to be shown by what necessity and in what order the great cosmic principles are evolved from their supreme source; and it has also to be shown in what way this knowledge is connected with the supreme interests of the human soul. The moral aspect of Neo-Platonism is not at first very clearly distinguished from its metaphysical aspect; and both find their most general solution in the same line of thought that has led us up to a contemplation of the ultimate One. For the successive gradations of our ascent represent, in an inverted order, the steps of creative energy by which all things are evolved from their primal source; while they directly correspond to the process of purification through which every soul must pass in returning from the exile of her separate and material existence to the happiness of identification with God. And here we at once come on the fundamental contradiction of the system. What we were so carefully taught to consider as one and nothing more, must now be conceived as the first cause and the supreme good. Plotinus does, indeed, try to evade the difficulty by saying that his absolute is only318 a cause in relation to other things, that it is not so much good as the giver of good, that it is only one in the sense of not being many.468 But after making these reservations, he continues to use the old terms as confidently as if they stood for the ideas usually associated with them. His fundamental error was to identify three distinct methods of connecting phenomena, in thought, with each other or with ourselves. We may view things in relation to their generating antecedents, in relation to other things with which they are associated by resemblance or juxtaposition, or in relation to the satisfaction of our own wants. These three modes of reference correspond to Aristotles efficient, formal, and final causes; but the word causation should be applied only to the first. Whether their unfortunate confusion both by Aristotle and by his successors was in any appreciable degree due to their having been associated by him under a common denomination, may reasonably be doubted. It is rather more probable that the same name was given to these different conceptions in consequence of their having first become partially identified in thought. Social arrangements, which have a great deal to do with primitive speculation, would naturally lead to such an identification. The king or other chief magistrate stands at the head of the social hierarchy and forms the bond of union among its members; he is the source of all authority; and his position, or, failing that, his favour, is regarded as the supreme good. Religion extends the same combination of attributes to her chief God; and philosophy, following on the lines of religion, employs it to unify the methods of science and morality.We now understand why Protagoras, in the Platonic dialogue bearing his name, should glance scornfully at the89 method of instruction pursued by Hippias, with his lectures on astronomy, and why he prefers to discuss obscure passages in the poets. The quarrel between a classical and a scientific education was just then beginning, and Protagoras, as a Humanist, sided with the classics. Again, he does not think much of the great and sane and noble race of brutes. He would not, like the Cynics, take them as examples of conduct. Man, he says, is naturally worse provided for than any animal; even the divine gift of wisdom would not save him from extinction without the priceless social virtues of justice and reverence, that is, the regard for public opinion which Mr. Darwin, too, has represented as the strongest moralising power in primitive society. And, as the possession of these qualities constituted the fundamental distinction between men and brutes, so also did the advantage of civilisation over barbarism rest on their superior development, a development due to the ethical instruction received by every citizen from his earliest infancy, reinforced through after-life by the sterner correction of legal punishments, and completed by the elimination of all individuals demonstrably unfitted for the social state. Protagoras had no sympathy with those who affect to prefer the simplicity of savages to the fancied corruption of civilisation. Hear how he answers the Rousseaus and Diderots of his time:
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THREE:"But I didn't do anything of the kind," Leona resumed. "I had Balmayne to back me up. He played the part of a deaf mute servant for me and fetched Dr. Bruce in the motor car. When Bruce came I departed, at least I left him on the premises. I dared not stay any longer. Half Bruce's story was a clever lie. He only told a portion of it. And it has been proved beyond doubt that the notes Leon intended to send to you were paid by Dr. Bruce to a firm in the Tottenham Court Road for some furniture. I am not romancing; you can see all this in the papers. Every one of those missing notes had Dr. Bruce's signature on the back. How do you get over that?"
THREE:Besides the general religious movement which had long been in action, and was daily gaining strength from the increasing barbarisation of the empire, there was, at this juncture, a particular cause tending to bring Greek philosophy into close alliance with the mythology which it had formerly rejected and denounced. This was the rapid rise and spread of Christianity. St Augustine has said that of all heathen philosophers none came nearer to the Christian faith than the Neo-Platonists.528 Nevertheless, it was in them that the old religion found its only apologists and the new religion its most active assailants. We have already alluded to the elaborate polemic of Porphyry. Half a century later, the same principles could boast of a still more illustrious champion. The emperor Julian was imbued with the doctrines of Neo-Platonism, and was won back to the ancient faith by the teaching of its professors.There is a problem as to the principle of action in a Barker wheel, which although it may be very clear in a scientific sense, remains a puzzle to the minds of many who are well versed in mechanics, some contending that the power is directly from pressure, others that it is from the dynamic effect due to reaction. It is one of the problems so difficult to determine by ordinary standards, that it serves as a matter of endless debate between those who hold different views; and considering the advantage usually derived from such controversies, perhaps the best manner of disposing of the problem here is to state the two sides as clearly as possible, and leave the reader to determine for himself which he thinks right.
