10.22

Chapter: Terrain 10.22
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Translation:

He who knows these things, and in fighting puts his knowledge into practice, will win his battles. He who knows them not, nor practices them, will surely be defeated.

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Commentary

You not only need to know things, you have to use them in the right way. Both of these steps have to be made. History is littered with failures to understand and failures to apply what is understood.