Soc. And so we may state, in general terms, that the same person will always distinguish, given the same subject and several persons talking about it, both who speaks well and who badly: otherwise, if he is not going to distinguish the bad speaker, clearly he will not distinguish the good one either, where the subject is the same. Ion. That is so. Soc. And the same man is found to be skilled in both? Ion. Yes. Soc. And you say that Homer and the other poets, among whom are Hesiod and Archilochus, all speak about the same things, only not similarly; but the one does it well, and the rest worse? Ion. Yes, and what I say is true. Soc. And since you distinguish the good speaker, you could distinguish also the inferiority of the worse speakers. Ion. So it would seem. Soc. Then, my excellent friend, we shall not be wrong in saying that our Ion is equally skilled in Homer and in the other poets, seeing that you yourself admit that the same man will be a competent judge of all who speak on the same things, and that practically all the poets treat of the same things. Ion. Then what can be the reason, Socrates, why I pay no attention when somebody discusses any other poet, and am unable to offer any remark at all of any value, but simply drop into a doze, whereas if anyone mentions something connected with Homer I wake up at once and attend and have plenty to say? Soc. That is not difficult to guess, my good friend; anyone can see that you are unable to speak on Homer with art and knowledge. For if you could do it with art, you could speak on all the other poets as well; since there is an art of poetry, I take it, as a whole, is there not? Ion. Yes. Soc. And when one has acquired any other art whatever as a whole, the same principle of inquiry holds through all the arts? Do you require some explanation from me, Ion, of what I mean by this? Ion. Yes, upon my word, Socrates, I do; for I enjoy listening to you wise men. Soc. I only wish you were right there, Ion: but surely it is you rhapsodes and actors, and the men whose poems you chant, who are wise; whereas I speak but the plain truth, as a simple layman might. For in regard to this question I asked you just now, observe what a trifling commonplace it was that I uttered—a thing that any man might know—namely, that when one has acquired a whole art the inquiry is the same. Let us just think it out thus: there is an art of painting as a whole? Ion. Yes. Soc. And there are and have been many painters, good and bad? Ion. Certainly.