有时候最真实的东西反而是你看不见的。
Sometimes the things that are most real are the things you can't see.
History is not just about facts, but about the meanings we give them.
最重要的是能够像经济学家一样思考,透过这个视角看世界。
Science is the art of making the complex understandable.
网络是与人类其他部分交流的工具。