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I always try to stay positive, even in tough moments.
To be a good mathematician, you need to have both intuition and rigor.
The only time success comes before work is in the dictionary.
Great deeds are usually wrought at great risks.
The people are the roots, the people are the foundation, the people are the source of strength.
个人被简化为一个可以忽略不计的量,也许在他的意识中不如在他的习惯和生活无意识调整中少。
The world is a puzzle; the pieces are scattered, and no one has the picture on the box.