Escribir es como tallar en mármol: cada palabra debe ser precisa e irrepetible.
写程序要像写一封信一样小心。
A program that has not been tested does not work.
Fashion is a form of imitation and so of social equalization, but, paradoxically, in changing incessantly, it differentiates one time from another and one social stratum from another.
最小的人类不可分割单位是两个人,而不是一个人。
数学和计算机科学的交叉点是一些最激动人心的发现产生的地方。
做义事也是这样,能演说的就演说,能讲书的就讲书,能做事的就做事,这样义事才可以成功。 
The only person you should try to be better than is the person you were yesterday.
The truth is always more complicated than we think.
The only one who's really judging you is yourself.