  What do Barnes and Burnyeat say about the kind of life the Skeptic leads? How can the Skeptic respond to the charge that he cannot lead a recognisably human life unless he has beliefs? Barnes 1982: 79–89 attempts an interpretation of PH I 21–4 according to which the fourfold observances of everyday life don’t commit the Skeptic to any beliefs whatsoever: hunger and thirst ‘alone suffice to drive the Skeptic—like any other man or animal—to food and drink’ (82);  