成為人類就是在世界中存在，而在世界中存在就是在時(shí)間中存在。
To be human is to be in the world, and to be in the world is to be in time.
不在于你有多想要它，而在于你愿意為它付出多少努力。
"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."