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Never stop learning; the moment you do, you become obsolete.

In the end, you’re measured not by how much you undertake but by what you finally accomplish.

國家是人類社會中最重要的機(jī)構(gòu)，因?yàn)樗俏ㄒ豢梢院戏ㄊ褂梦淞砭S持秩序的機(jī)構(gòu)。