A History of Philosophy in Epitome. Albert Schwegler
Euripides, the sophist among tragedians, should bring the whole philosophy of the time and its manner of moral reflection upon the stage; and that, instead of like the earlier poets, bringing forward his actors to represent an idea, he should use them only as means to excite a momentary emotion or some other stage effect.
3. Tendencies of the Sophistic Philosophy.—To give a definite classification of the Sophistic philosophy, which should be derived from the conception of the general phenomena of the age, is exceedingly difficult, since, like the French “clearing up” of the last century, it entered into every department of knowledge. The Sophists directed the universal culture of the time. Protagoras was known as a teacher of virtue, Gorgias as a rhetorician and politician, Prodicus as a grammarian and teacher of synonyms, Hippias as a man of various attainments, who besides astronomical and mathematical studies busied himself with a theory of mnemonics; others took for their problem the art of education, and others still the explanation of the old poets; the brothers Euthydemus and Dionysidorus gave instruction in the bearing of arms and military tactics; many among them, as Gorgias, Prodicus, and Hippias, were intrusted with embassies: in short the Sophists, each one according to his individual tendency, took upon themselves every variety of calling and entered into every sphere of science; their method is the only thing common to all. Moreover the relation of the Sophists to the educated public, their striving after popularity, fame and money, disclose the fact that their studies and occupations were for the most part controlled, not by a subjective scientific interest, but by some external motive. With that roving spirit which was an essential peculiarity of the later Sophists, travelling from city to city, and announcing themselves as thinkers by profession—and giving their instructions with prominent reference to a good recompense and the favor of the rich private classes, it was very natural that they should discourse upon the prominent questions of universal interest and of public culture, with occasional reference also to the favorite occupation of this or that rich man with whom they might be brought in contact. Hence their peculiar strength lay far more in a formal dexterity, in an acuteness of thought and a capacity of bringing it readily into exercise, in the art of discourse than in any positive knowledge; their instruction in virtue was given either in positive dogmatism or in empty bombast, and even where the Sophistic philosophy became really polymathic, the art of speech still remained as the great thing. So we find in Xenophon, Hippias boasting that he can speak repeatedly upon every subject and say something new each time, while we hear it expressly affirmed of others, that they had no need of positive knowledge in order to discourse satisfactorily upon every thing, and to answer every question extemporaneously; and when many Sophists make it a great point to hold a well-arranged discourse about something of the least possible significance (e.g. salt), so do we see that with them the thing was only a means while the word was the end, and we ought not to be surprised that in this respect the Sophistic philosophy sunk to that empty technicality which Plato in his Phædrus, on account of its want of character, subjects to so rigid a criticism.
4. The Significance of the Sophistic Philosophy from its Relation to the Culture of the Age.—The scientific and moral defect of the Sophistic philosophy is at first view obvious; and, since certain modern writers of history with over-officious zeal have painted its dark sides in black, and raised an earnest accusation against its frivolity, immorality, and greediness for pleasure, its conceitedness and selfishness, and bare appearance of wisdom and art of dispute—it needs here no farther elucidation. But the point in it most apt to be overlooked is the merit of the Sophists in their effect upon the culture of the age. To say, as is done, that they had only the negative merit of calling out the opposition of Socrates and Plato, is to leave the immense influence and the high fame of so many among them, as well as the revolution which they brought about in the thinking of a whole nation, an inexplicable phenomenon. It were inexplicable that e.g. Socrates should attend the lectures of Prodicus, and direct to him other students, if he did not acknowledge the worth of his grammatical performances or recognize his merit for the soundness of his logic. Moreover, it cannot be denied that Protagoras has hit upon many correct principles of rhetoric, and has satisfactorily established certain grammatical categories. Generally may it be said of the Sophists, that they threw among the people a fulness in every department of knowledge; that they strewed about them a vast number of fruitful germs of development; that they called out investigations in the theory of knowledge, in logic and in language; that they laid the basis for the methodical treatment of many branches of human knowledge, and that they partly founded and partly called forth that wonderful intellectual activity which characterized Athens at that time. Their greatest merit is their service in the department of language. They may even be said to have created and formed the Attic prose. They are the first who made style as such a separate object of attention and study, and who set about rigid investigations respecting number and the art of rhetorical representation. With them Athenian eloquence, which they first incited, begins. Antiphon as well as Isocrates—the latter the founder of the most flourishing school of Greek rhetoric—are offshoots of the Sophistic philosophy. In all this there is ground enough to regard this whole phenomenon as not barely a symptom of decay.
5. Individual Sophists.—The first, who is said to have been called, in the received sense, Sophist, is Protagoras of Abdera, who flourished about 440 BC He taught, and for wages, in Sicily and in Athens, but was driven out of the latter place as a reviler of the gods, and his book concerning the gods was burnt by the herald in the public market-place. It began with these words: “I can know nothing concerning the gods, whether they exist or not; for we are prevented from gaining such knowledge not only by the obscurity of the thing itself, but by the shortness of the human life,” In another writing he develops his doctrine concerning knowing or not-knowing. Starting from the Heraclitic position that every thing is in a constant flow, and applying this preëminently to the thinking subject, he taught that the man is the measure of all things, who determines in respect of being that it may be, and of not-being that it may not be, i.e. that is true for the perceiving subject which he, in the constant movement of things and of himself, at every moment perceives and is sensible of—and hence he has theoretically no other relation to the external world than the sensuous apprehension, and practically no other than the sensuous desire. But now, since perception and sensation are as diverse as the subjects themselves, and are in the highest degree variable in the very same subject, there follows the farther result that nothing has an objective validity and determination, that contradictory affirmations in reference to the same object must be received as alike true, and that error and contradiction cannot be. Protagoras does not seem to have made any efforts to give these frivolous propositions a practical and logical application. According to the testimony of the ancients, a personal character worthy of esteem, cannot be denied him; and even Plato, in the dialogue which bears his name, goes no farther than to object to his complete obscurity respecting the nature of morality, while, in his Gorgias and Philebus, he charges the later Sophists with affirming the principles of immorality and moral baseness.
Next to Protagoras, the most famous Sophist was Gorgias. During the Peloponnesian war (426 BC), he came from Leontium to Athens in order to gain assistance for his native city against the encroachments of Syracuse, After the successful accomplishment of his errand he still abode for some time in Athens, but resided the latter part of his life in Thessaly, where he died about the same time with Socrates. The pompous ostentation of his external appearance is often ridiculed by Plato, and the discourses through which he was wont to exhibit himself display the same character, attempting, through poetical ornament, and florid metaphors, and uncommon words, and a mass of hitherto unheard of figures of speech, to dazzle and delude the mind. As a philosopher he adhered to the Eleatics, especially to Zeno, and attempts to prove upon the basis of their dialectic schematism, that universally nothing is, or if there could be a being, it would not be cognizable, or if cognizable it would not be communicable. Hence his writing bore characteristically enough the title—“Concerning Not-being or Nature.” The proof of the first proposition that universally nothing is, since it can be established neither as being nor as not-being, nor yet as at the same time both being and not-being, rests entirely upon the position that all existence is a space-filling existence (has place and body), and is in fact the final consequence which overturns itself, in other words the self-destruction of the hitherto physical method of philosophizing.
The later Sophists with reckless daring carried their conclusions far beyond Gorgias and Protagoras.