The theory must be beautiful.
理论必须是美丽的。
The motor of our ingenuity is the question ‘Does it have to be like this?’, from which arise political reforms, scientific developments, improved relationships, better books.
我不是为评论家做音乐，而是为那些能感受它的人。
创新不仅仅是技术的问题；它关乎我们如何重新构想与材料和环境的互动方式。
每一次突破都始于一个问题，而每一个问题都是迈向未知的一步。
The best way to learn econometrics is by doing—working with real data and real problems.