Tao Te Ching Chapter 46: Restraining Desire

The chapter opens with the Tao Te Ching's most vivid economic indicator: when the world follows the Tao, swift horses are retired to haul dung in the fields; when the world loses the Tao, war-horses are bred on the borderlands. You can read a civilisation's spiritual state from what it does with its horsepower — agriculture or armament, cultivation or conquest.

Then the diagnosis beneath all wars, personal and national: no calamity is greater than not knowing what is enough; no fault greater than the desire to acquire. Not scarcity but insatiability is the engine of catastrophe — the border war and the private misery have the same root, a sufficiency that never registers as sufficient. The closing line answers with the book's deepest tongue-twister of a remedy: the sufficiency of knowing sufficiency is an enduring sufficiency. Enough, once actually known as enough, is the one possession that cannot be lost — and the only peace treaty that holds.