The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
在科学中，最重要的不是获得新的事实，而是发现思考它们的新方法。
在家不会接待客人，出去后才知道这个问题的重要性。
In computer science, we often deal with problems that are easy to state but hard to solve.
城市就像一篇文章，它会向那些能够阅读它的人说话。