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A mathematician's work is never done; there are always more problems to solve.

The Soviet Union was a civilization of fear, where people lived in constant dread of the knock on the door at night.

解決問題的最好方法是讓別人為你解決。

"The future is about making a difference."

表演不是要成為不同的人，而是在明顯的不同中找到相似之處，然后在那里找到自己。