NP完全性不仅仅是一个理论上的好奇心；它对实际计算有着深远的影响。

The secret of life is not just to survive, but to thrive with passion, compassion, humor, and style.

Close the door. Write with no one looking over your shoulder. Don't try to figure out what other people want to hear from you; figure out what you have to say. It's the one and only thing you have to offer.

The key to progress is persistence and a willingness to challenge conventional wisdom.

艺术的恐怖之处在于你不知道它会把你带向何方。