一个问题如果在计算机上可以快速解决，那么它属于P类问题；如果一个解可以快速验证，那么它属于NP类问题。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
The true artist is always searching for the meaning of life.
We are all broken, that's how the light gets in.
科学家是务实的人，他们的目标是实际的。他们不追求终极，而是追求接近。
The beauty of computational theory lies in its ability to abstract the complexities of the world into manageable and understandable models.
Success is great, but the real reward is making people happy with our music.
