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Mathematics is not a spectator sport. You have to do it to understand it.
The best way to predict the future is to invent it.
生活似乎是用一种焦虑代替另一种焦虑,用一种欲望代替另一种欲望的过程。《身份的焦虑》
The Langlands program is a challenge to our understanding of the nature of mathematical truth.
A people without children would face a hopeless future; a country without trees would face a future with even less hope.
The revolution is the festival of the oppressed and exploited.