awful effect of lightning flashes, that illuminate the whole horizon of existence while they paralyse or destroy an individual victim. The power which Socrates possessed of rousing other minds to independent activity and apostolic transmission of spiritual gifts was, as we have said, the second verification of his doctrine. Even those who, like Antisthenes and Aristippus, derived their positive theories from the Sophists rather than from him, preferred to be regarded as his followers; and Plato, from whom his ideas received their most splendid development, has acknowledged the debt by making that venerated figure the centre of his own immortal Dialogues. A third verification is given by the subjective, practical, dialectic tendency of all subsequent philosophy properly so called. On this point we will content ourselves with mentioning one instance out of many, the recent declaration of Mr. Herbert Spencer that his whole system was constructed for the sake of its ethical conclusion.[101] Apart, however, from abstract speculation, the ideal method seems to have exercised an immediate and powerful influence on Art, an influence which was anticipated by Socrates himself. In two conversations reported by Xenophon,[102] he impresses on Parrhasius, the painter, and Cleito, the sculptor, the importance of so animating the faces and figures which they represented as to make them express human feelings, energies, and dispositions, particularly those of the most interesting and elevated type. And such, in fact, was the direction followed by imitative art after Pheidias, though not without degenerating into a sensationalism which Socrates would have severely condemned. Another and still more remarkable proof of the influence exercised on plastic representation by ideal philosophy was, perhaps, not foreseen by its founder. We allude to the substitution of abstract and generic for historical subjects by Greek sculpture in its later stages, and not by sculpture only, but by dramatic poetry as well. For early art, whether it addressed itself to the eye or to the imagination, and whether its subjects were taken from history or from fiction, had always been historical in this sense, that it exhibited the performance of particular actions by particular persons in a given place and at a given time; the mode of presentment most natural to those whose ideas are mainly determined by contiguous association. The schools which came after Socrates let fall the limitations of concrete reality, and found the unifying principle of their works in association by resemblance, making their figures the personification of a single attribute or group of attributes, and bringing together forms distinguished by the community of their characteristics or the convergence of their functions. Thus Aphroditê no longer figured as the lover of Arês or Anchisês, but as the personification of female beauty; while her statues were grouped together with images of the still more transparent