The one thing that offends me the most is when I walk by a bank and see ads trying to convince people to take out second mortgages on their home so they can go on vacation. That's approaching evil.

"We are all in the gutter, but some of us are looking at the stars."

我们无法不了解历史。

系统不是一个生产系统，而是一个消费系统。

I think the most important thing is to be true to yourself and to be honest with yourself.

美国不应该试图在世界各地传播民主。

In my early professional years I was asking the question: How can I treat, or cure, or change this person? Now I would phrase the question in this way: How can I provide a relationship which this person may use for his own personal growth?

数学的语言是宇宙的语言，通过学习它，我们可以理解宇宙。