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In my opinion, heroes exist in different degrees, like great men and women: some are even greater than others. But in essence, I believe that a hero is a person who risks his or her own life—maybe even losing it—in a selfless, successful effort to save the life of another. For example, if a mother dives into a river to save her struggling child, she isn’t really a hero; but if she dives into a river to save a struggling child unknown to her, she is clearly a hero if she is successful and if not, she certainly behaved heroically.
Likewise, acts of self-defense, even when the lives of others also are at stake, do not quite rise to the level of heroism, although they may be courageous. In addition, the degree of individual heroism grows with various factors, such as nobility of purpose, the degree of risk, and so on. So wartime itself does not produce heroes; instead, it awakens the giants among us.
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