利于国者爱之，害于国者恶之。
晏子春秋
爱情只是快乐，而荣誉是责任。
最好的故事是反映生活复杂性的故事。
热闹荣华的光景，过后即生空虚凄凉；而清淡脱俗的作为，才能历久而更有意味。
The actions of men are the best interpreters of their thoughts.
I'm just a kid trying to make a difference.
一个国家的力量在于其人民的品德。
如果你不进化，你就在落后。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.