Never ask a barber if you need a haircut.

The interplay between analysis and algebra is the driving force behind many breakthroughs in number theory.

"To live is the rarest thing in the world. Most people exist, that is all."

有时你必须在内心经历某种死亡，才能从自己的灰烬中重生，相信自己，爱自己，成为一个新的人。

You are no different than anybody else is.

I don't let negativity bring me down.

最难的是让事情变得简单。