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數學的本質在于它的自由。

On pivoting: "If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve."

宣傳是這種文化的生命——因為沒有宣傳，資本主義就無法生存。

A good director is like a good conductor; you have to know when to lead and when to let go.