"The art of storytelling is the art of weaving dreams into reality, of making the impossible seem possible."

NP完全性的概念为理解计算问题的复杂性提供了一个强大的工具。

问题陈述得好，问题就解决了一半。

I'm not a role model, I'm just a human being.

"We are all in the gutter, but some of us are looking at the stars."