自由不是做我们想做的事情的权力,而是做我们应该做的事情的权利。
The best way to predict the future is to create it.
The world is a book, and those who do not travel read only one page.
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
在追求真理的过程中,我们必须愿意被最简单的事实所纠正。