Summary :
Nothing is possible without it and everything is enhanced by it. The ancient virtue of self-control-temperance-is more essential than ever. If we're not in control of our emotions, our urges, our habits, who is? If our bodies, minds, and spirits run unrestrained, where will we end up? From elite athletes to heads of state, military leaders to philosophers, the greatest battles in history have always been with the self. And only those that win this battle-the victory of self-mastery-are fit to rule. Discipline is destiny. It determines what we can do. It determines who we are. Do you have it? What can you do with it?

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