过去是一个异国；他们在那里做事的方式不同。

In science, we must be open to the possibility that our most cherished theories could be wrong.

The writer must be a person who is willing to take risks.

我们接受自认为应得的爱。

"You can't do anything about the length of your life, but you can do something about its width and depth."

一个好的数学家是能看到定理之间类比的人；一个伟大的数学家是能看到类比之间的类比的人。