Defence of Socrates, and their moral treatises or Memorabilia. Next, the one wrote a Republic, the other a Cyropaedia. And in the Laws? Plato declares the story of the education of Cyrus to be a fiction, for that Cyrus did not answer to the description of him. And although both make mention of Socrates, neither of them refers to the other, except that Xenophon mentions Plato in the third book of his Memorabilia. It is said also that Antisthenes, being about to read publicly something that he had composed, invited Plato to be present. And on his inquiring what he was about to read, Antisthenes replied that it was something about the impossibility of contradiction. ‘‘ How then,” said Plato, “ can you write on this subject ?”’ thus showing him that the argument refutes itself. Thereupon he wrote a dialogue against Plato and entitled it Sathon. After this they continued to be estranged from one another. They say that, on hearing Plato read the Lysis, Socrates exclaimed, “‘ By Heracles, what a number of lies this young man is telling about me!” For he has included in the dialogue much that Socrates never said. Plato was also on bad terms with Aristippus. At least in the dialogue Of the Soul “he disparages him by saying that he was not present at the death of Socrates, though he was no farther off than Aegina. Again, they say that he showed a certain jealousy of Aeschines, because of his reputation with Dionysius, and that, when he arrived at the court, he was despised by Plato because of his poverty, but supported by Aristippus. And Idomeneus asserts that the arguments used by Crito, when in the prison he urges Socrates to escape, are really due to Aeschines,