that most things—hot, dry, sweet, and everything of that sort—are to each person as they appear to him, and if Protagoras is to concede that there are cases in which one person excels another, he might be willing to say that in matters of health and disease not every woman or child—or beast, for that matter—knows what is wholesome for it and is able to cure itself, but in this point, if in any, one person excels another?

Yes, I think that is correct.