Progress and History. Various
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Aristotle would have endorsed almost every word of this. In his pithy way, speaking of the distinction between natural and artificial objects, he says himself that if you planted a wooden bed and the wood could still grow, it would grow up, not a bed, but a tree.[16]
He would not have gone so far as to talk about the Will of a tree, but he would have admitted that what made the tree grow was the same sort of thing as Will. And in one respect he goes farther than Edward Carpenter does. For he considers that not only growth but even the movement of natural things through space is somehow an expression of a tendency towards the good and the divine, a tendency which, when consciousness supervenes, we can call effort, an activity, even though, at its best, only an imperfect activity. He looks up at the splendour of the circling stars and asks if it is possible that so glorious an order can be anything but a manifestation of something akin to the divine. Here indeed he is speaking of movements made by existences he reckoned among the highest in the world, for he thought the stars were living beings higher than man. But he recognized a rudimentary form of such activity even in what we now call inanimate matter. Here we come to a leading conception of Aristotle's, and one most important for our purpose: the conception of a hierarchy of natural existences, all of them with some value, less or more. When Aristotle is truest to himself, he will tell us not to be afraid of studying the meanest forms of natural existence, because in everything there is something marvellous and divine. He quotes with much satisfaction the story of Heracleitus, who welcomed his friends into the bakehouse with the saying that 'there were gods in the bakehouse too'.[17]
Thus, at the lowest end of the scale, we have what we call inanimate matter, which Aristotle thinks of much as we do, namely, as something occupying space, the different parts of it being endowed with different powers of movement, and with different properties, such as warmth or coldness, wetness or dryness. A natural thing, he says, is a thing that has a principle of activity in itself, something that makes it act in a definite way, whenever it is not interfered with by anything else.[18] Aristotle speaks, for example, of fire having a natural tendency to mount up, much as we might speak of solids having a natural tendency to gravitate towards one another. Go back as far as we like, and, Aristotle thinks, we still find certain primitive differences which constitute what we call the primitive elements. This, I imagine, is much the point of view of modern science.
And these primitive elements in Aristotle's view influence each other, unite with each other, or change into each other. As a rule, however, they exhibit no new powers. But given a happy concurrence of qualities, say a certain union of heat and cold, and a new power does become manifest: the power of life. Thus, in a sense, Aristotle does envisage the spontaneous generation of life; and he knows, roughly, what he means by life. The living thing can go through far more changes than the non-living, while yet remaining recognizably the same thing. For example, it shows in itself a greater advance to richness and also a decline, it uses other things to foster this advance, and it sends out fresh things, like itself, but independent of itself: in short, it grows, decays, feeds itself, and propagates its kind.[19]
As I understand Aristotle, for him there is not an entire and absolute difference between ordinary matter and living things, and yet there is a real difference, and one not to be explained away, for there is a new manifestation of active energy. And if we consider life of more value than mere motion, then we are right in saying there is a higher energy. The quality of growth is a quality which could not be deduced from the quality of warmth or from the quality of mere movement in space, and yet all three qualities are alike in this, that they are all manifestations of an energy which is somehow inherent in things, and not merely imposed on them from without. The manifestations of life are started, in a sense, by the different movements, 'mechanical', if you like to call them so, in the rudimentary forms of matter, the elements meeting each other in space. The process of life could not have begun without such movements. But neither could it have begun if the elements, just as they appear, had been all there was. There had to be latent, that is, the possibility of a different and higher mode of action. This higher mode of action Aristotle calls a higher Form, a higher Idea. And I think it is true to him to say that he believes the lower Forms, the lower Ideas, do their most perfect work when they bring about the conditions under which the higher ones can operate. For when he speaks of that concurrence of elements that conditions life he speaks of the 'warmth and cold' as 'having mastered the matter'.[20]
In any case he conceives a whole series of higher and lower Forms, the higher coming nearer and nearer to that full and glorious activity which he conceives to be the life of God. Above the power of the thing to grow as a plant grows appears the power of sensation as it is present in animals, and above that again the power, first seen in man, of living the life of thought, perceiving what is beautiful and true in the 'forms', the characters, of all the things around him, and with this that further power of setting consciously before himself what he really wants to be and to do, the power of moral action strictly so-called.
Throughout this series, in every higher stage the lower is present as a kind of basis. In the man who thinks there is active not only the power of thought, but also the power of sensation, the faculty of growth, and the physical properties of the body. It would seem that Aristotle has only to take one step, and he would be a thoroughgoing evolutionist. He has only to say that the different stages are successive in time, the lower regularly preceding the higher. But this step he hesitates to take.
He often comes very near it. He speaks of nature passing gradually from inanimate things through living things to living animals. He speaks of what is first in itself, first inherently, 'prior' in the logical sense because it is the goal and the completion of the thing, as appearing later in time. For instance, he believes that man can only find his real happiness and develop his real nature in the State, but the State appears later in time than the primitive associations of the household and the family.[21] What came earlier in history were barbarous communities such as those of the Cyclopes, where 'each man laid down the law for his wife and children and obeyed no other law'.
But Aristotle does not go on from this belief to the belief in a universal upward process throughout all history. The developed State, it is true, may always have been preceded by a lower form, but that lower form may itself have been preceded by a higher.
Aristotle, in short, is haunted, like Plato, by the idea of cycles, alternations, decline and progress, progress and decline. He feels this both in the life of States and in the whole life of the world. He speaks of the same discoveries being made over and over again, an infinite number of times, in the history of civilization. And his words recall the sad passage in Plato's Laws (676) referring to the numberless nations and states, ten thousand times ten thousand, that had risen and fallen all over the world, passing from worse to better and from better to worse. Similarly Aristotle will speak of degraded animal forms, and sometimes write as though the animal world could sink back into the vegetable altogether.
Admitting, however, something like progress within the different cycles, we must ask a little more about the kind of progress which Aristotle would have desired. (I take Aristotle again as a typical Greek.) Man at his best, he clearly holds, in trying to realize his true nature should aim at a happiness which involves a harmony of all his faculties, a harmony inspired and led by the highest faculty of all, the Reason which rejoices in the contemplation of what is at once true and good and beautiful.
Now in this aim, we must ask, does a man need other men and other creatures, and in what sense does he need them? Here, I think, we come on two inconsistent tendencies in Aristotle's thought, connected with two different ways of regarding the hierarchy of existences. We say that one existence is higher than another. Does this mean that what we call the lower are only so many blundering attempts to reach the higher? That every creature, for example, which is not a thinking