Success is not about the money you make, it's about the difference you make in people's lives.
数学中最深刻的思想往往源于最简单的观察。
The only thing that scares me more than space aliens is the idea that there aren't any space aliens. We can't be the best that creation has to offer. I pray we're not all there is. If so, we're in big trouble.
I did not write half of what I saw, for I knew I would not be believed.
Every night I go to bed, I wake up richer.
A true friend is the one who holds your hand and touches your heart.