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。
Don't go around saying the world owes you a living. The world owes you nothing. It was here first.
The stories are not autobiographical, but they're personal in that way. I seem to know only the things that I've learned. Probably some things through observation, but what I feel I know surely is personal.