The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.

教育本身就是生活，而不是为生活做准备。

最好的艺术是不解释自己的艺术。

"The only thing that is truly universal is the human experience."

The only way to make sense out of change is to plunge into it, move with it, and join the dance.

"To write is to remember, but to remember is also to forget."