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The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

耐心和堅持是解開數(shù)學(xué)之謎的關(guān)鍵。

成功不是幸福的關(guān)鍵。幸福才是成功的關(guān)鍵。如果你熱愛你所做的事情，你就會成功。