The essence of mathematics lies in its freedom.
The quest for efficient algorithms is not just a technical challenge; it is a journey into the heart of complexity.
成熟的基础：不是你的过错并不代表就不是你的责任。
一个文明的真正考验在于它如何对待最弱小的成员。
Collaboration across disciplines is essential for solving the most challenging problems in science.
宇宙正在膨胀，而且膨胀的速度在加快。
There are some things so serious you have to laugh at them.
The stories are not autobiographical, but they're personal in that way. I seem to know only the things that I've learned. Probably some things through observation, but what I feel I know surely is personal.