Abstract: The paper tries to describe a new method for studying Wang Chong'spsychological thoughts. The method includes two principles: (1) the pri-nciple of integration, and (2) the principle of inner-logic. By this method,the author discovered that the basic idea of Wang's psychological tho-ughts is his stress on the unique importance of facts and proofs. From thiswe can infer that (1) the essence of his psychological thoughts is that"mind is power", and (2) the distinctive feature of his psychological th-oughts is that "mind can be externalized". Both of these are embodied inhis theories of man and of mind.

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