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Achieving that difficult task required continual care of the self , but also meant being someone who embodies truth , and so can readily practice the Classical-era rhetorical device of parrhesia : “ to speak candidly , and to ask forgiveness for so speaking ” ; and , by extension , practice the moral obligation to speak the truth for the common good , even at personal risk .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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