In the Timaeus, dealing with the origin of the universe he figures less as the author of a new theory, than as already an eclectic critic of older ones, himself somewhat perplexed by theory and counter-theory. And as we find there a [7] sort of storehouse of all physical theories, so in reading the Parmenides we might think that all metaphysical questions whatever had already passed through the mind of Plato. Some of the results of patient earlier thinkers, even then dead and gone, are of the structure of his philosophy. They are everywhere in it, not as the stray carved corner of some older edifice, to be found here or there amid the new, but rather like minute relics of earlier organic life in the very stone he builds with. The central and most intimate principles of his teaching challenge us to go back beyond them, not merely to his own immediate, somewhat enigmatic master--to Socrates, who survives chiefly in his pages--but to various precedent schools of speculative thought, in Greece, in Ionia, in Italy; beyond these into that age of poetry, in which the first efforts of philosophic apprehension had hardly understood themselves; beyond that unconscious philosophy, again, to certain constitutional tendencies, persuasions, forecasts of the intellect itself, such as had given birth, it would seem, to thoughts akin to Plato's in the older civilisations of India and of Egypt, as they still exercise their authority over ourselves. The thoughts of Plato, like the language he has to use (we find it so again, in turn, with those predecessors of his, when we pass from him to them) are covered with the traces of previous labour and have had their earlier [8] proprietors. If at times we become aware in reading him of certain anticipations of modern knowledge, we are also quite obviously among the relics of an older, a poetic or half-visionary world. It is hardly an exaggeration to say that in Plato, in spite of his wonderful savour of literary freshness, there is nothing absolutely new: or rather, as in many other very original products of human genius, the seemingly new is old also, a palimpsest, a tapestry of which the actual threads have served before, or like the animal frame itself, every particle of which has already lived and died many times over. Nothing but the life-giving principle of cohesion is new; the new perspective, the resultant complexion, the expressiveness which familiar thoughts attain by novel juxtaposition. In other words, the form is new. But then, in the creation of philosophical literature, as in all other products of art, form, in the full signification of that word, is everything, and the mere matter is nothing.