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种一棵树最好的时间是20年前,第二好的时间是现在。
The best time to plant a tree was 20 years ago; the second best time is now.
"Stories are the way we pass on wisdom from one generation to the next."
 用言辞做事并不是一种特殊的做事方式,而是一种特殊的说话方式。
Success comes from focusing on what you can control and letting go of what you cannot.
"In the study of computational complexity, we often find that the boundaries of what is possible are defined by the limits of our imagination."