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Suppose now, that for once we allow that primal mixture as rightly concluded, some considerations especially from Mechanics seem to oppose the grand plan of the world edifice. For even though the Mind at a point causes a circular movement its continuation is only conceivable with great difficulty, especially since it is to be infinite and gradually to make all existing masses rotate. As a matter of course one would assume that the pressure of all the remaining matter would have crushed out this small circular movement when it had scarcely begun; that this does not happen presupposes on the part of the stimulating Nous, that the latter began to work suddenly with awful force, or at any rate so quickly, that we must call the motion a whirl: such a whirl as Democritus himself imagined. And since this whirl must be infinitely strong in order not to be checked through the whole world of the Infinite weighing heavily upon it, it will be infinitely quick, for strength can manifest itself originally only in speed. On the contrary the broader the concentric rings are, the slower will be this motion; if once the motion could reach the end of the infinitely extended world, then this motion would have already infinitely little speed of rotation. Vice versa, if we conceive of the motion as infinitely great, i.e., infinitely quick, at the moment of the very first beginning of motion, then the original circle must have been infinitely small; we get therefore as the beginning a particle rotated round itself, a particle with an infinitely small material content. This however would not at all explain the further motion; one might imagine even all particles of the primal mass to rotate round themselves and yet the whole mass would remain unmoved and unseparated. If, however, that material particle of infinite smallness, caught and swung by the Nous, was not turned round itself but described a circle somewhat larger than a point, this would cause it to knock against other material particles, to move them on, to hurl them, to make them rebound and thus gradually to stir up a great and spreading tumult within which, as the next result, that separation of the aërial masses from the ethereal had to take place. Just as the commencement of the motion itself is an arbitrary act of the Nous, arbitrary also is the manner of this commencement in so far as the first motion circumscribes a circle of which the radius is chosen somewhat larger than a point.
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Here of course one might ask, what fancy had at that time so suddenly occurred to the Nous, to knock against some chance material particle out of that number of particles and to turn it around in whirling dance and why that did not occur to It earlier. Whereupon Anaxagoras would answer: "The Nous has the privilege of arbitrary action; It may begin at any chance time, It depends on Itself, whereas everything else is determined from outside. It has no duty, and no end which It might be compelled to pursue; if It did once begin with that motion and set Itself an end, this after all was only—the answer is difficult, Heraclitus would say—play!"
That seems always to have been the last solution or answer hovering on the lips of the Greek. The Anaxagorean Mind is an artist and in truth the most powerful genius of mechanics and architecture, creating with the simplest means the most magnificent forms and tracks and as it were a mobile architecture, but always out of that irrational arbitrariness which lies in the soul of the artist. It is as though Anaxagoras was pointing at Phidias and in face of the immense work of art, the Cosmos, was calling out to us as he would do in front of the Parthenon: "The Becoming is no moral, but only an artistic phenomenon." Aristotle relates that, to the question what made life worth living, Anaxagoras had answered: "Contemplating the heavens and the total order of the Cosmos." He treated physical things so devotionally, and with that same mysterious awe, which we feel when standing in front of an antique temple; his doctrine became a species of free-thinking religious exercise, protecting itself through the odi profanum vulgus et arceo and choosing its adherents with precaution out of the highest and noblest society of Athens. In the exclusive community of the Athenian Anaxagoreans the mythology of the people was allowed only as a symbolic language; all myths, all gods, all heroes were considered here only as hieroglyphics of the interpretation of nature, and even the Homeric epic was said to be the canonic song of the sway of the Nous and the struggles and laws of Nature. Here and there a note from this society of sublime free-thinkers penetrated to the people; and especially Euripides, the great and at all times daring Euripides, ever thinking of something new, dared to let many things become known by means of the tragic mask, many things which pierced like an arrow through the senses of the masses and from which the latter freed themselves only by means of ludicrous caricatures and ridiculous re-interpretations.
The greatest of all Anaxagoreans however is Pericles, the mightiest and worthiest man of the world; and Plato bears witness that the philosophy of Anaxagoras alone had given that sublime flight to the genius of Pericles. When as a public orator he stood before his people, in the beautiful rigidity and immobility of a marble Olympian and now, calm, wrapped in his mantle, with unruffled drapery, without any change of facial expression, without smile, with a voice the strong tone of which remained ever the same, and when he now spoke in an absolutely un-Demosthenic but merely Periclean fashion, when he thundered, struck with lightnings, annihilated and redeemed—then he was the epitome of the Anaxagorean Cosmos, the image of the Nous, who has built for Itself the most beautiful and dignified receptacle, then Pericles was as it were the visible human incarnation of the building, moving, eliminating, ordering, reviewing, artistically-undetermined force of the Mind. Anaxagoras himself said man was the most rational being or he must necessarily shelter the Nous within himself in greater fulness than all other beings, because he had such admirable organs as his hands; Anaxagoras concluded therefore, that that Nous, according to the extent to which It made Itself master of a material body, was always forming for Itself out of this material the tools corresponding to Its degree of power, consequently the Nous made the most beautiful and appropriate tools, when It was appearing in his greatest fulness. And as the most wondrous and appropriate action of the Nous was that circular primal-motion, since at that time the Mind was still together, undivided, in Itself, thus to the listening Anaxagoras the effect of the Periclean speech often appeared perhaps as a simile of that circular primal-motion; for here too he perceived a whirl of thoughts moving itself at first with awful force but in an orderly manner, which in concentric circles gradually caught and carried away the nearest and farthest and which, when it reached its end, had reshaped—organising and segregating—the whole nation.
To the later philosophers of antiquity the way in which Anaxagoras made use of his Nous for the interpretation of the world was strange, indeed scarcely pardonable; to them it seemed as though he had found a grand tool but had not well understood it and they tried to retrieve what the finder had neglected. They therefore did not recognise what meaning the abstention of Anaxagoras, inspired by the purest spirit of the method of natural science, had, and that this abstention first of all in every case puts to itself the question: "What is the cause of Something"? (causa efficiens)—and not "What is the purpose of Something"? (causa finalis). The Nous has not been dragged in by Anaxagoras for the purpose of answering the special question: "What is the cause of motion and what causes regular motions?"; Plato however reproaches him, that he ought to have, but had not shown that everything was in its own fashion and its own place the most beautiful, the best and the most appropriate. But this Anaxagoras would not have dared to assert in any individual case, to him the existing world was not even the most conceivably perfect world, for he saw everything originate out of everything, and he found the segregation of the substances through the Nous complete and done with, neither at the end of the filled space of the world nor in the individual beings. For his understanding it was sufficient that he had found a motion, which, by simple continued action could create the visible order out of a chaos mixed through and through; and he took good care not to put the question as to the Why? of the motion, as to the rational purpose of motion. For if the Nous had to fulfil by means of motion a purpose innate in the noumenal essence, then it was no longer in Its free will to commence the motion at any chance time; in so far as the Nous is eternal, It had also to be determined eternally by this purpose, and then no point of time could have been allowed to exist in which motion was still lacking, indeed it would have been logically forbidden to assume a starting point for motion: whereby again the conception of original chaos, the basis of the whole Anaxagorean interpretation of the world would likewise have become logically impossible. In order to escape such difficulties, which teleology creates, Anaxagoras had always to emphasise and asseverate that the Mind has free will; all Its actions, including that of the primal motion, were actions of the "free will," whereas on the contrary after that primeval moment the whole remaining world was shaping itself in a strictly determined, and more precisely, mechanically determined form. That absolutely free will however can be conceived only as purposeless, somewhat after the fashion of children's play or the artist's bent for play. It is an error to ascribe to Anaxagoras the common confusion of the teleologist, who, marvelling at the extraordinary appropriateness, at the agreement of the parts with the whole, especially in the realm of the organic, assumes that that which exists for the intellect had also come into existence through intellect, and that that which man brings about only under the guidance of the idea of purpose, must have been brought about by Nature through reflection and ideas of purpose. (Schopenhauer, "The World As Will And Idea," vol. ii., Second Book, chap. 26: On Teleology). Conceived in the manner of Anaxagoras, however, the order and appropriateness of things on the contrary is nothing but the immediate result of a blind mechanical motion; and only in order to cause this motion, in order to get for once out of the dead-rest of the Chaos, Anaxagoras assumed the free-willed Nous who depends only on Itself. He appreciated in the Nous just the very quality of being a thing of chance, a chance agent, therefore of being able to act unconditioned, undetermined, guided neither by causes nor by purposes.