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糟糕的戰略不是缺乏戰略，而是主動回避制定好戰略的艱苦工作。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

這一刻全力以赴，下一刻成就最佳。

數學的本質不是使簡單的事情復雜化，而是使復雜的事情簡單化。