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The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
好的建筑就像好朋友 - 随时间推移而变得更好。
I always work with a goal, and the goal is to improve as a player and a person.
最好的故事是那些在你读完很久之后仍萦绕在你脑海中的故事。