I can’t relate to lazy people. We don’t speak the same language. I don’t understand you. I don’t want to understand you.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

The art of education must be to bring the child to the point where he can educate himself.

"We are all the sum of our contradictions - that's what makes biography so fascinating."

我们在实现同情、利他和爱的人类潜能方面还有很长的路要走。

By nature, all things are common.