长期是对当前事务的误导性指南。从长远来看，我们都死了。

物理学和数学之间的界限并不像人们想象的那么清晰。

The only thing that keeps me going is that I love what I do.

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.