on in this way. Pythagoras was the pupil of Pherecydes; his pupil was Telauges his son; he was the master of Xenophanes, and he of Parmenides; Parmenides of Zeno the Eleatic, he of Leucippus, he of Democritus: Democritus had many disciples, the most eminent of whom were Nausiphanes and Nausicydes, and they were the masters of Epicurus.
XI. Now, of Philosophers some were dogmatic, and others were inclined to suspend their opinions. By dogmatic, I mean those who explain their opinions about matters, as if they could be comprehended. By those who suspend their opinions, I mean those who give no positive judgment, thinking that these things cannot be comprehended. And the former class have left many memorials of themselves; but the others have never written a line; as for instance, according to some people, Socrates, and Stilpo, and Philippus, and Menedemus, and Pyrrho, and Theodorus, and Carneades, and Bryson; and, as some people say, Pythagoras, and Aristo of Chios, except that he