If you can dream it, you can do it.

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。

But man is not made for defeat. A man can be destroyed but not defeated.

I have to be alone very often. I’d be quite happy if I spent from Saturday night until Monday morning alone in my apartment. That’s how I refuel.

The most important skill for an economist is the ability to think clearly about trade-offs.