Pythagoras, it was from him that Plato wrote to Dion to take care and purchase the books of Pythagoras.
II. And he died under suspicion of having designed to seize on the tyranny; and we have written an epigram on him:—
III. His theory was, that everything was produced by harmony and necessity. And he was the first person who affirmed that the earth moved in a circle; though some attribute the assertion of this principle to Icetas of Syracuse.
IV. He wrote one book, which Hermippus reports, on the authority of some unknown writer, that Plato the philosopher purchased when he was in Sicily (having come thither to the court of Dionysius), of the relations of Philolaus, for forty Alexandrian minæ of silver; and that from this book he copied his Timæus. But others say that Plato received it as a present, after having obtained his liberty for a young man, one of the disciples of Philolaus, who had been arrested