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TWO:The great religious movement of the sixth and fifth centurieschiefly represented for us by the names of Pythagoras, Aeschylus, and Pindarwould in all probability have entirely won over the educated classes, and given definiteness to the half-articulate utterances of popular tradition, had it not been arrested prematurely by the development of physical236 speculation. We showed in the first chapter that Greek philosophy in its earliest stages was entirely materialistic. It differed, indeed, from modern materialism in holding that the soul, or seat of conscious life, is an entity distinct from the body; but the distinction was one between a grosser and a finer matter, or else between a simpler and a more complex arrangement of the same matter, not between an extended and an indivisible substance. Whatever theories, then, were entertained with respect to the one would inevitably come to be entertained also with respect to the other. Now, with the exception of the Eleates, who denied the reality of change and separation altogether, every school agreed in teaching that all particular bodies are formed either by differentiation or by decomposition and recomposition out of the same primordial elements. From this it followed, as a natural consequence, that, although the whole mass of matter was eternal, each particular aggregate of matter must perish in order to release the elements required for the formation of new aggregates. It is obvious that, assuming the soul to be material, its immortality was irreconcilable with such a doctrine as this. A combination of four elements and two conflicting forces, such as Empedocles supposed the human mind to be, could not possibly outlast the organism in which it was enclosed; and if Empedocles himself, by an inconsistency not uncommon with men of genius, refused to draw the only legitimate conclusion from his own principles, the discrepancy could not fail to force itself on his successors. Still more fatal to the belief in a continuance of personal identity after death was the theory put forward by Diogenes of Apollonia, that there is really no personal identity even in lifethat consciousness is only maintained by a perpetual inhalation of the vital air in which all reason resides. The soul very literally left the body with the last breath, and had a poor chance of holding together afterwards, especially, as the wits observed, if a high wind happened to be blowing at the time.It will be seen that we do not consider the two kinds of Nous to differ from each other as a higher and a lower faculty. This, in our opinion, has been the great mistake of the commentators, of those, at least, who do not identify the active Nous with God, or with some agency emanating from Goda hypothesis utterly inconsistent with Aristotles theology. They describe it as a faculty, and as concerned with some higher kind of knowledge than what lies within the reach of the passive Nous.258 But with Aristotle faculty is always a potentiality and a passive recipient, whereas the creative reason is expressly declared to be an actuality, which, in this connexion, can mean nothing but an individual idea. The difficulty is to understand why the objective forms of things should suddenly be spoken of as existing within the mind, and denominated by a term carrying with it such subjective associations as Nous; a difficulty not diminished by the mysterious comparison with light in its relation to colour, an illus368tration which, in this instance, has only made the darkness visible. We believe that Aristotle was led to express himself as he did by the following considerations. He began by simply conceiving that, just as the senses were raised from potency to actuality through contact with the corresponding qualities in external objects, so also was the reasoning faculty moulded into particular thoughts through contact with the particular things embodying them; thus, for instance, it was led to conceive the general idea of straightness by actual experience of straight lines. It then, perhaps, occurred to him that one and the same object could not produce two such profoundly different impressions as a sensation and a thought; that mind was opposed to external realities by the attribute of self-consciousness; and that a form inherent in matter could not directly impress itself on an immaterial substance. The idea of a creative Nous was, we think, devised in order to escape from these perplexities. The ideal forms of things are carried into the mind, together with the sensations, and in passing through the imagination, become purified from the matter previously associated with them. Thus they may be conceived as part of the mindin, though not yet of itand as acting on its highest faculty, the passive Nous. And, by a kind of anticipation, they are called by the name of what they become completely identified with in cognition. As forms of things they are eternal; as thoughts they are self-conscious; while, in both capacities, they are creative, and their creative activity is an essentially immaterial process. Here we have the old confusion between form and function; the old inability to reconcile the claims of the universal and the particular in knowledge and existence. After all, Aristotle is obliged to extract an actuality from the meeting of two possibilities, instead of from the meeting of an actuality and a possibility. Probably the weakness of his own theory did not escape him, for he never subsequently recurs to it.259
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