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你必須學會的一部分是如何處理錯誤和改變勝算的新事實。生活在某種程度上就像一場撲克游戲，當你拿著一手心愛的牌時，有時必須學會放棄。

Writing is a form of freedom.

"We are all, in some way, exiles from ourselves."

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

雖然身份卑微，但卻能不失道義；雖然生活貧窮，但卻能廉潔自守。

廣泛地學習，專心致志，懇切地求教，多思考當前的實際問題，仁德就在其中了。