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Everybody can be a hero. This saying is not uncommon. We can hear it being said time to time. But is it really true that everybody can be a hero? What does it mean to be a hero? 
Being a hero means doing something heroic, or something beneficial and significant for society. It can mean to be brave, perhaps even save someone's life or put your life in danger for the sake. A comic character like Superman is also often referred to as a hero. 
But I think that even the most common person can be a hero, just but contributing or changing something in our world. 
We should all be a hero at least once in our life.