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现今的士人用身于世,还不如商人使用一枚钱币时谨慎。 
The Internet is the first thing that humanity has built that humanity doesn't understand, the largest experiment in anarchy that we have ever had.
The best designs are those that solve problems elegantly without drawing attention to themselves.
Philosophy is an ornament in prosperity, a refuge in adversity, and a provision in old age.