唯一无法得到帮助的人是那些责备他人的人。

Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.

"Mathematics is the science of patterns, and nature exploits just about every pattern that there is."

出自《海国图志·卷首》。地气和天时变化了，那么历史的体例也应随着时代的变化而变化。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

暴政的根基是恐惧。