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創造就是活兩次。

悔恨自己的錯誤，而且力求不再重蹈覆轍，這才是真正的悔悟。

I don’t ask writers about their work habits. I really don’t care. Joyce Carol Oates says somewhere that when writers ask each other what time they start working and when they finish and how much time they take for lunch, they’re actually trying to find out, ‘Is he as crazy as I am?’ I don’t need that question answered.

數學中最美麗的東西是復雜背后的簡單思想。

數學不僅僅是關于數字、方程、計算或算法：它是關于理解的。