幸福就是能够不带恐惧地认识自己。
"To be happy is to be able to become aware of oneself without fright."
I never regret my choices because that's my life.
The most dangerous kind of waste is the waste we do not recognize.
"In the end, we will remember not the words of our enemies, but the silence of our friends."
你越深入数学，就越能意识到一切是如何相互关联的。
A belief is like a guillotine, just as heavy, just as light.