The Normal and the Extraordinary

In battle, use the normal force to engage and the extraordinary force to win. The resources of those skilled in the use of extraordinary forces are as infinite as heaven and earth, as inexhaustible as the flow of rivers.

Every effective strategy has two components: the normal and the extraordinary. The normal is what people expect — the direct approach, the obvious move. The extraordinary is the surprise, the flank, the unexpected angle. You need both. The normal pins the opponent in place. The extraordinary delivers the decisive blow. Without the normal, you have no foundation. Without the extraordinary, you have no advantage.

Zheng (normal, orthodox) and qi (extraordinary, unorthodox) are central to Sun Tzu's strategic thinking. The genius is that they are not fixed categories — what is normal in one situation becomes extraordinary in another. The combinations are infinite, like the five primary colors producing endless hues or the five flavors creating endless tastes. This is the origin of the idea that strategy is creative, not formulaic. The normal and the extraordinary are paired methods in Chapter 5. A direct engagement holds attention while an unexpected movement creates an opening; neither works alone. The terms describe battlefield formations and timing, not a universal command to surprise friends or make novelty into a virtue. In a non-military setting, a modest application is to keep a reliable process while allowing a clearly bounded experiment. State what is changing, who is affected, and how the experiment can be stopped if its costs become unacceptable. The extraordinary is not valuable because it is flashy. Its effect depends on the ordinary formation that gives it meaning and cover. A modern experiment should therefore remain legible to the people affected by it. Surprise is not a substitute for consent, and novelty is not evidence of wisdom. The experiment remains accountable because its limits are stated before its results are known The experiment remains accountable because its limits are stated before its results are known.