高效算法的开发既是一门艺术，也是一门科学。
The development of efficient algorithms is as much an art as it is a science.
图书馆里充满了思想——也许是最危险和最强大的武器。
最有力的艺术往往源于最简单的想法。
No matter how good you get you can always get better, and that's the exciting part.
如果你不相信爱，那么生活的意义是什么？
We are all born with a certain inheritance of time, and we must learn to spend it wisely.