Reexamine all your cherished beliefs and principles. When Napoleon was asked what principles of war he followed, he replied that he followed none. His genius was his ability to respond to circumstances, to make the most of what he was given—he was the supreme opportunist. Your only principle, similarly, should be to have no principles. To believe that strategy has inexorable laws or timeless rules is to take up a rigid, static position that will be your undoing. Of course the study of history and theory can broaden your vision of the world, but you have to combat theory’s tendency to harden
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