Innovation is not about working behind closed doors; it requires open cooperation and integrating global resources.

"Memory is a strange thing, it doesn't work like I thought it did. We are so used to thinking of it as a camera or a tape recorder, but it's not like that at all. It's more like a painter, who adds and subtracts elements according to his own rules."

数学的力量来自于它的抽象和概括能力，将具体问题转化为普遍真理。

For beautiful hair, let a child run his or her fingers through it once a day.