In the Protagoras the ancient poets are recognized by Protagoras himself as the original sophists; and this family resemblance may be traced in the Ion. The rhapsode belongs to the realm of imitation and of opinion: he professes to have all knowledge, which is derived by him from Homer, just as the sophist professes to have all wisdom, which is contained in his art of rhetoric. Even more than the sophist he is incapable of appreciating the commonest logical distinctions; he cannot explain the nature of his own art; his great memory contrasts with his inability to follow the steps of the argument. And in his highest moments of inspiration he has an eye to his own gains.
The old quarre