当他凝视她的黑眼睛，看着她的嘴唇在笑与沉默之间徘徊时，他学到了世界上所有人都能理解的语言——那是爱。

那时我太老了，现在反而年轻了。

一个社会进步的真正标准在于它如何对待最弱势的群体。

If you want to be successful, you have to be willing to fail.

The absurdity of life doesn't make it meaningless, but rather gives it a special kind of meaning.

A good mathematician is always ready to generalize.

Innovation is not just about creating something new; it's about improving what already exists.