如果你想看看这个国家的本质，你必须乘坐铁路。当你快速穿过时，看看外面，你会发现美国的真实面貌。

Memory is a tricky thing. It's not always reliable, but it's all we have.

La gloire ne peut être où la vertu n'est pas.

数学中发现的快乐是无与伦比的。

When I am abroad， I always make it a rule never to criticize or attack the government of my own country。 I make up for lost time when I come home.

Joy sparks the urge to play, interest sparks the urge to explore, contentment sparks the urge to savor and integrate, and love sparks a recurring cycle of each of these urges within safe, close relationships.

关于教育的斗争不仅仅是关于知识、权力和身份的斗争，也是关于希望和未来意义的斗争。