计算复杂性的美在于它能够揭示问题的固有难度，而不管用于解决这些问题的具体算法是什么。
"The beauty of computational complexity lies in its ability to reveal the inherent difficulty of problems, regardless of the specific algorithms used to solve them."
To live is to betray, to betray is to live.
In the end, we only regret the chances we didn't take.
La literatura es el espejo de la sociedad, pero también su crítica.
In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.
You don't have to burn books to destroy a culture. Just get people to stop reading them.
经济学的力量在于它能够揭示关于世界如何运转的隐藏真相。