实现明天理想的唯一限制是我们今天的疑虑。

一个人应该经常考虑他拥有的比他想要的多多少。

I was a truck driver in LA, going to City College, and I tried to sign up for a class in ceramics, but it was full. So I signed up for architecture. It was an accident.

最优雅的证明是那些清晰地揭示问题本质的证明。

声音是一种非常接近灵魂的乐器。