只要生者还在记忆，逝者就从未真正离去。

生下来就知道的人是上等，经过学习才知道的人是次一等，遇到困惑才学习的人是又次一等，有了困惑而不学习的，这是最下等的人。

"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. It creates a picture, but it's not always the same picture."

The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.

I've always been drawn to characters who are complex and have depth.

写作就是重写，重写就是理解。

真正的竞争总是在你已经完成的事情和你能够做到的事情之间。你衡量自己，只与自己比较，而不是别人。

Win-win cooperation is the cornerstone of international operations, and we must establish long-term stable partnerships with resource countries.