" He believed hunger to be the best appetizer, and because he waited until he was hungry or thirsty before he ate or drank, “he used to partake of a barley cake with greater pleasure than others did of the costliest of foods, and enjoyed a drink from a stream of running water more than others did their Thasian wine.”6 When asked about his lack of an abode, Diogenes would reply that he had access to the greatest houses in every city—to their temples and gymnasia, that is. And when asked what he had learned from philosophy, Diogenes replied, “To be prepared for every fortune.”7 This reply, as we shall see, anticipates one important theme of Stoicism. The "

― William B. Irvine , A Guide to the Good Life: The Ancient Art of Stoic Joy