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When you fail, that's when you get up and try again. There's no reason to just stay down.

壓力要么讓管道爆裂，要么造就鉆石。

"I’m a firm believer in the theory that you only play your best when you’re having fun."

數學的本質在于它的自由。

"Books can be dangerous. The best ones should be labeled 'This could change your life.'"

In mathematics, the simplest questions often lead to the most profound discoveries.