Parmenides, who was of a noble family and possessed of considerable wealth, was induced, not by Xenophanes but by Aminias, to embrace the tranquil life of a philosopher.
II. He was the first person who asserted that the earth was of a spherical form; and that it was situated in the centre of the universe. He also taught that there were two elements, fire and earth; and that one of them occupies the place of the maker, the other that of the matter. He also used to teach that man was originally made out of clay; and that they were composed of two parts, the hot and the cold; of which, in fact, everything consists. Another of his doctrines was, that the mind and the soul were the same thing, as we are informed by Theophrastus, in his Natural Philosophy, when he enumerates the theories of nearly all the different philosophers.
He also used to say that philosophy was of a twofold character; one