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數(shù)學家的模式，就像畫家或詩人的模式一樣，必須是美麗的；思想，就像顏色或文字一樣，必須以和諧的方式結(jié)合在一起。

The real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

we all have a great need for acceptance. But you must trust that your beliefs are unique, your own, even though others may think them odd or unpopular, even though the herd may go“That's bad.”