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It is not a lack of love，but a lack of friendship that makes unhappy marriages.

計算復雜性的美在于它能夠根據問題的固有難度對問題進行分類。

"The great advantage of being a writer is that you can spy on people. You're there, listening to every word, but part of you is observing. Everything is useful to a writer, every scrap, even the longest and most boring of luncheon parties."

活著就是不斷被人性所驚訝。

Technology itself has no value, its value lies in what problems it solves.

A true leader must be able to listen to the voices of the people.