美国也是一种幻觉，是所有幻觉中最伟大的一个。

I suppose when they reach a certain age some men are afraid to grow up. It seems the older the men get, the younger their new wives get.

Sustainability isn't an option; it's a responsibility we owe to future generations.

The bike is my life. I ride it to work, I ride it for fun, I ride it to race, and I ride it to stay alive.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.