人们总说你不可能取悦所有人。我认为那只是借口。我觉得只要你足够努力，你可以取悦任何人。
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.
在私利面前能够想到道义，遇到危难能够挺身而出，虽然长期生活在贫困之中，也没有忘记平生的诺言，这样就可以说是一个十全十美的人了。
阴影戴上她的面幕，秘密地，温顺地，用她的沉默的爱的脚步，跟在“光”后边。
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
