Chapter 18. Conclusions


If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will also suffer a defeat. If you know neither the enemy nor yourself, you will succumb in every battle.

 --Sun Zi, The Art of War

The best scientist is open to experience and begins with romance—the idea that anything is possible.

 --Ray Bradbury, Los Angeles Times, August 9, 1976


This short ...

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