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The wise person does not dogmatically assert anything， not even that the wise person knows nothing.

The best ideas often come from the most unexpected places.

依靠聰明、平衡的人類幾個(gè)世紀(jì)以來(lái)所依賴的普通美德。常識(shí)、節(jié)儉、現(xiàn)實(shí)的期望、耐心和毅力。