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藝術(shù)中沒有中立的空間。

The most important thing in mathematics is to ask the right questions.

What is success? I think it is a mixture of having a flair for the thing that you are doing; knowing that it is not enough, that you have got to have hard work and a certain sense of purpose.

To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.