In “The Republic,” Plato seeks to correct the values of Homer’s warriors. Courage, he tells us, is not being absolutely fearless, the way Achilles is. Courage is knowing what and what not to be afraid of. Knowing: Plato believes that reason should always rule the drive for glory. He thinks we should never risk turning ourselves into beasts by letting our hunger for glory rule us, even for a moment.
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Related reading: Nubian Warriors