You find out who your real friends are when you're involved in a scandal.

But the eyes are blind. One must look with the heart.

I was taught that the way of progress was neither swift nor easy.

统计学的目的是让不可见的事物变得可见。

"Fill your paper with the breathings of your heart."

The best mathematics is timeless.

一切都是相连的，一切。

"The greatest glory in living lies not in never falling, but in rising every time we fall."