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数学家的工作永无止境;总有更多的问题需要解决。
A mathematician's work is never done; there are always more problems to solve.
I'm not a saint, I'm a sinner.
我不追随潮流。我创造自己的世界。
"A man is not old until regrets take the place of dreams."
The greatest challenge to any thinker is stating the problem in a way that will allow a solution.