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The greatest glory in living lies not in never falling, but in rising every time we fall.
The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.
名称没有本来就合适的,而是由人们共同约定来命名的,约定俗成就是合适的,与约定不同的就是不合适的。