For this feeling of wonder shows that you are a philosopher, since wonder is the only beginning of philosophy, and he who said that Iris was the child of Thaumas22 made a good genealogy. But do you begin to understand why these things are so, according to the doctrine we attribute to Protagoras, or do you not as yet? Theaetetus Not yet, I think. Socrates And will you be grateful to me if I help you [155e] to search out the hidden truth of the thought of a famous man or, I should say, of famous men?