Tao Te Ching Chapter 68: Matching Heaven

Four masters, one secret. The skilled warrior does not rely on force; the skilled fighter does not give way to anger; the skilled conqueror does not engage the enemy directly; the skilled user of others keeps himself below them. In each art, excellence begins where its obvious fuel is renounced — the warrior beyond violence, the fighter beyond fury, the strategist beyond confrontation, the leader beyond superiority.

The chapter names what the four share in a cascade of titles: this is called the virtue of non-contention; this is called using the strength of others; this is called matching Heaven — the highest principle of antiquity. Anger, the verse implies, is not a weapon but a leak: the moment an opponent has your temper, they have you. And leadership from below is not modesty theatre but mechanics — people's full strength is available only to the one who does not stand on them. To fight without hatred and lead without height is, in Lao Tzu's highest compliment, to operate the way Heaven itself does.