Sun don't shine forever, but as long as it's here then we might as well shine together.

In mathematics, the journey to the solution is just as important as the solution itself.

无论有无宗教，好人都能行善，坏人都会作恶；但要让好人作恶——这需要宗教。

On morals: "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."

年轻人是可怕的，因为怎么能知道他的将来不如我们现在呢？但如果一个人到了四十、五十岁还默默无闻，他也就没有什么可怕的了。

语言是人类拥有的最强大的武器。