What makes this wisdom sting is that it asks something harder than victory—it demands you stay yourself. Most people hear "revenge" and think of triumph or comeuppance, but Marcus Aurelius points to something subtler: the real danger isn't that your enemy wins, but that fighting them turns you into them, hollowing out whatever made you worth being in the first place. A parent feuding with an ex-spouse discovers this painfully when they catch themselves using the same cutting words, the same tactics of control, only to realize they've become the very person their children should be wary of. The quiet strength lies in refusing the invitation to descend—not out of weakness, but out of a harder kind of pride.