The knowledge in the book comes from a person's experience, plain in the past that he recorded and reproduced in form letters. Show that the starting point of knowledge is experience. People with poorer knowledge advantage over people who don't have the knowledge that is the exact story, but if you have the knowledge, but do not do it, it's not effective. On the other hand, if I don't know, but do it inevitably has the experience and knowledge is also up because of knowledge, experience, can be created.
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