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The work is never finished until it's in the world.

Love is not enough. It has to be tended, like a fire.

To do mathematics is to engage in an act of creation and discovery simultaneously.

最危險的浪費是我們沒有意識到的浪費。

雙重思想意味著在頭腦中同時持有兩種相互矛盾的信念，并接受它們兩者。