Living in a fragmented and predatory world, the inhabitants of a Greek city-state, who could never afford to take the survival of their community completely for granted, attached great importance to the qualities required of a soldier: not only to strength and speed, in which men are normally superior of women, but also to the endurance of hunger, thirst, pain, fatigue, discomfort and disagreeably hot or cold weather. The ability to resist and master the body's demands for nourishment and rest was normally regarded as belonging to the same moral category as the ability to resist sexual desire. p.24