Essays; others, and among them Sosicrates of Rhodes, that he wrote none at all. According to Sotion in his second book, and Panaetius, the following treatises are his : On Education. On Virtue. Introduction to Philosophy. Artabazus. The Ship-wrecked. The Exiles. Six books of Essays. Three books of Occasional Writings (ypeiac), To Lais. To Porus. To Socrates. On Fortune. He laid down as the end the smooth motion resulting in sensation. Having written his life, let me now proceed to pass in review the philosophers of the Cyrenaic school which sprang from him, although some call themselves followers of Hegesias, others followers of Anniceris, others again of Theodorus. Not but what we shall notice further the pupils of Phaedo, the chief of whom were called the school of Eretria. The case stands thus. The disciples of Aristippus were his daughter Arete, Aethiops of Ptolemais,® the Eretrians at this stage is certainly strange: it looks as if Diogenes Laertius jotted down a direction for his own future guidance.