The value of life lies in what you create for others, not in what you possess.

"The art of filmmaking is in the details; it's the small things that make a big difference."

诀窍是关注你周围发生的事情并继续写作。

I think that in mathematics, and maybe in life, you have to be willing to be a little bit lost.

天下的一切事物不可以没有标准，做人要有做人的标准，即原则;做事要有做事的标准，即规则;治国要有治国的标准，即法则。不遵循一定的标准而能成事者，自古以来是没有的。

数学研究的过程和结果本身一样重要。