First of all, then, we must observe that, in matters of this sort, to fall short and to exceed are alike fatal. This is plain (to illustrate what we cannot see by what we can see) in the case of strength and health. Too much and too little exercise alike destroy strength, and to take too much meat and drink, or to take too little, is equally ruinous to health, but the fitting amount produces and increases and preserves them. Just so, then, is it with temperance also, and courage, and the other virtues. The man who shuns and fears everything and never makes a stand, becomes a coward; while the man who fears nothing at all, but will face anything, becomes foolhardy. So, too, the man who takes his fill of any kind of pleasure, and abstains from none, is a profligate, but the man who shuns all (like him whom we call a “boor”) is devoid of sensibility. 22 Thus temperance and courage are destroyed both by excess and defect, but preserved by moderation.