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。
If you want to see what this nation is all about, you have to ride the rails. Look outside as you speed through, and you’ll find the true face of America.
艺术不在于你看到了什么，而在于你让别人看到了什么。
Mathematics is the language in which the universe is written.
Science is not a boy's game, it's not a girl's game. It's everyone's game. It's about where we are and where we're going.