“Knowledge” refers to awareness and examination of the principles underlying human relations in everyday life, and “application” refers to the implementation of these principles in everyday life. “Knowledge and application,” used in ancient China, were not in the general sense of having knowledge of external objects, or taking action to utiliz…

Outside the Four Seas refers to the territory outside China, foreign lands, or remote areas. The ancient Chinese thought that China’s territory was surrounded by the Four Seas (the East, West, North, and South seas). Therefore, places outside China were outside the Four Seas. It reflected the ancient Chinese belief that the seas were the natural bo…

This term refers to a relaxed and unencumbered approach to people and things. To be unattached, one needs to keep at arm's length when he comes into contact with other people or things. He should not be too detached, thus unable to have contact with people or objects and know them intimately. Neither should he become too close to people or objects a…

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