Plato inherits a word and then performs surgery on it. The Homeric *thūmos* is not a faculty you possess; it is closer to a weather system that moves through you — *menos* rising, *thūmos* surging, the middle voice holding both together without a sovereign agent directing either. What makes it limitless is precisely that it is not yet a thing to be governed; it is the governing condition itself. When Plato reaches for it, he is reaching for a force that, by definition, does not submit to the kind of ordering he needs it to perform.

Hobbs is pointing at the seam where the philosophical project begins to strain. Plato wants *thūmos* to enforce reason's authority over appetite — to be the spirited ally of the *logistikon* rather than a fourth wild thing. But something in the material resists domestication, and the resistance is not incidental. A *thūmos* successfully tamed into an instrument of rational control is no longer quite the thing Homer named. The difficulty Plato encountered in later dialogues — the *thūmos* that keeps sliding back toward honor-hunger, toward anger, toward exactly the excess it was supposed to prevent — is not a failure of philosophical technique. It is the original material asserting its nature. You cannot fully harness what was never bound in the first place; you can only change what you are willing to call it.