TWO:A people so endowed were the natural creators of philo4sophy. There came a time when the harmonious universality of the Hellenic genius sought for its counterpart and completion in a theory of the external world. And there came a time, also, when the decay of political interests left a large fund of intellectual energy, accustomed to work under certain conditions, with the desire to realise those conditions in an ideal sphere. Such is the most general significance we can attach to that memorable series of speculations on the nature of things which, beginning in Ionia, was carried by the Greek colonists to Italy and Sicily, whence, after receiving important additions and modifications, the stream of thought flowed back into the old country, where it was directed into an entirely new channel by the practical genius of Athens. Thales and his successors down to Democritus were not exactly what we should call philosophers, in any sense of the word that would include a Locke or a Hume, and exclude a Boyle or a Black; for their speculations never went beyond the confines of the material universe; they did not even suspect the existence of those ethical and dialectical problems which long constituted the sole object of philosophical discussion, and have continued since the time when they were first mooted to be regarded as its most peculiar province. Nor yet can we look on them altogether or chiefly as men of science, for their paramount purpose was to gather up the whole of knowledge under a single principle; and they sought to realise this purpose, not by observation and experiment, but by the power of thought alone. It would, perhaps, be truest to say that from their point of view philosophy and science were still undifferentiated, and that knowledge as a universal synthesis was not yet divorced from special investigations into particular orders of phenomena. Here, as elsewhere, advancing reason tends to reunite studies which have been provisionally separated, and we must look to our own contemporaries��to our Tyndalls and Thomsons, our Helmholtzes and Z?llners��as furnishing the fittest parallel to5 Anaximander and Empedocles, Leucippus and Diogenes of Apollonia.

FORE:For the restrictions under which Aristotle thought were not determined by his personality alone; they followed on the logical development of speculation, and would have imposed themselves on any other thinker equally capable of carrying that development to its predetermined goal. The Ionian search for a primary cause and substance of nature led to the distinction, made almost simultaneously, although from opposite points of view, by Parmenides and Heracleitus, between appearance and reality. From that distinction sprang the idea of mind, organised by Socrates into a systematic study of ethics and dialectics. Time and space, the necessary conditions of physical causality, were eliminated from a method having for its form the eternal relations of difference and resemblance, for its matter the present interests of humanity. Socrates taught that before enquiring whence things come we must first determine what it is they are.322 Hence he reduced science to the framing of exact definitions. Plato followed on the same track, and refused to answer a single question about anything until the subject of investigation had been clearly determined. But the form of causation had taken such a powerful hold on Greek thought, that it could not be immediately shaken off; and Plato, as he devoted more and more attention to the material universe, saw himself compelled, like the older philosophers, to explain its construction by tracing out the history of its growth. What is even more significant, he applied the same method to ethics and politics, finding it easier to describe how the various virtues and types of social union came into existence, than to analyse and classify them as fixed ideas without reference to time. Again, while taking up the Eleatic antithesis of reality and appearance, and re-interpreting it as a distinction between noumena and phenomena, ideas and sensations, spirit and matter, he was impelled by the necessity of explaining himself, and by the actual limitations of experience to assimilate the two opposing series, or, at least, to view the fleeting, superficial images as a reflection and adumbration of the being which they concealed. And of all material objects, it seemed as if the heavenly bodies, with their orderly, unchanging movements, their clear brilliant light, and their remoteness from earthly impurities, best represented the philosopher��s ideal. Thus, Plato, while on the one side he reaches back to the pre-Socratic age, on the other reaches forward to the Aristotelian system.

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TWO:To us the religion of the Stoics is interesting chiefly as a part of the machinery by which they attempted to make good the connexion between natural and moral law, assumed rather than proved by their Sophistic and Cynic precursors. But before proceeding to this branch of the subject we must glance at their mode of conceiving another side of the fundamental relationship between man and the universe. This is logic in its widest sense, so understood as to include the theory of the process by which we get our knowledge and of the ultimate evidence on which it rests, no less than the theory of formal ratiocination.

FORE:

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TWO:"One more question and I have done," said Prout. "Your brother had some one to fear. Now was that some one a man or a woman?"

FORE:According to Bacon, the object of science is to analyse the complex of Forms making up an individual aggregate into its separate constituents; the object of art, to superinduce one or more such Forms on a given material. Hence his manner of regarding them differs in one important respect from Aristotle��s. The Greek naturalist was, before all things, a biologist. His interest lay with the distinguishing characteristics of animal species. These are easily discovered by the unassisted eye; but while they are comparatively superficial, they are also comparatively unalterable. The English experimenter, being primarily concerned with inorganic bodies, whose properties he desired to utilise for industrial purposes, was led to consider the attributes of an object as at once penetrating its inmost texture, and yet capable of being separated from it, like heat and colour for instance. But, like every other thinker of the age, if he escapes from the control of Aristotle it is only to fall under the dominion of another Greek master��in this instance, Democritus. Bacon had a great admiration for the Atomists, and although his inveterate Peripatetic proclivities prevented him from embracing their theory as a whole, he went along with it so far as to admit the dependence of the secondary on the primary qualities of matter; and on the strength of this he concluded that the way to alter the properties of an object was to alter the arrangement of its component particles.Again, the new position occupied by Mind as an intermediary between the world of reality and the world of appearance, tended more and more to obliterate or confuse the demarcations by which they had hitherto been separated. The most general headings under which it was usual to contrast them were, the One and the Many, Being and Nothing, the Same and the Different, Rest and Motion. Parmenides employed the one set of terms to describe his Absolute, and the other to describe the objects of vulgar belief. They also served respectively to designate the wise and the ignorant, the dialectician and the sophist, the knowledge of gods and the opinions of men; besides offering points of contact with the antithetical couples of Pythagoreanism. But Plato gradually found that the nature of Mind could not be understood without taking both points of view into account. Unity and plurality, sameness and difference, equally entered into its composition; although undoubtedly belonging to the sphere of reality, it was self264-moved and the cause of all motion in other things. The dialectic or classificatory method, with its progressive series of differentiations and assimilations, also involved a continual use of categories which were held to be mutually exclusive. And on proceeding to an examination of the summa genera, the highest and most abstract ideas which it had been sought to distinguish by their absolute purity and simplicity from the shifting chaos of sensible phenomena, Plato discovered that even these were reduced to a maze of confusion and contradiction by a sincere application of the cross-examining elenchus. For example, to predicate being of the One was to mix it up with a heterogeneous idea and let in the very plurality which it denied. To distinguish them was to predicate difference of both, and thus open the door to fresh embarrassments.

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