 The last important testimony on Protagoras comes from the first part of Plato’s Protagoras, where the sophist tells Socrates and the rest of the audience his own version of the myth of Prometheus (Protagoras 320c–322d = 80C1 DK). In the dialogue, this myth is meant to defend both the Athenian democratic practice of allowing every citizen to express his own ideas in public contexts and Protagoras’ claim to teach the “political art”. The myth is told in three phases: 