It takes both bravery and self-sacrifice to be a hero. heroes have the inner strength to stand up for their beliefs, even in the face of danger. those who fight for a just cause may not always triumph in the end, but a hero will always triumph in spirit. the sacrifices made by heroes like mahatma gandhi and martin luther king, jr. will never be forgotten. their actions continue to inspire many people today. identify the sentence that clarifies and extends the first sentence (the topic sentence). heroes have the inner strength to stand up for their beliefs, even in the face of danger. the sacrifices made by heroes like mahatma gandhi and martin luther king, jr. will never be forgotten. their actions continue to inspire many people today. those who fight for a just cause may not always triumph in the end, but a hero will always triumph in spirit.