What distinguishes this observation is its quiet radicalism: Aristotle isn't merely saying self-mastery is *harder* than external conquest—he's arguing it's a fundamentally different kind of valor, one that invisibly reshapes a person while battles merely redistribute power. A soldier who takes a city remains unchanged in character, but someone who habitually chooses water over wine, or speaks truth when flattery would serve, becomes an altered being. You see this daily in the colleague who stays calm during an unfair meeting, the friend who admits they were wrong, the ordinary person who quietly turns down a shortcut everyone else takes—these are the victories that slip past notice, which is perhaps why Aristotle felt compelled to name them at all.