心灵是一个可以在多个层次上分析的复杂系统。

The novel is the one bright book of life. Books are not life. They are only tremulations on the ether. But the novel is the one bright book of life.

最成功的企业是那些将强劲的财务表现与对社会的积极影响相结合的企业。

所有的压迫都会造成战争状态。

"Writing is an act of courage."

I was working at a financial firm in New York City with a bunch of very smart people， and I had a brilliant boss that I much admired. I went to my boss and told him I wanted to start a company selling books on the Internet. He took me on a long walk in Central Park， listened carefully to me， and finally said， "That sounds like a really good idea， but it would be an even better idea for someone who didn't already have a good job." That logic made some sense to me， and he convinced me to think about it for 48 hours before making a final decision. Seen in that light， it really was a difficult choice， but ultimately， I decided I had to give it a shot. I didn't think I'd regret trying and failing. And I suspected I would always be haunted by a decision to not try at all. After much consideration， I took the less safe path to follow my passion， and I'm proud of that choice.

数学语言是通用的，超越了文化和语言的障碍。