一个国家制度的强度不仅在于其正式规则，还在于管理行为的非正式规范以及这些规范被人口内化的程度。
The strength of a nation's institutions is not just in their formal rules, but in the informal norms that govern behavior and the degree to which they are internalized by the population.
Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.
The best way to prevent financial crises is to have strong capital buffers in good times.
学习计量经济学的最佳方法是通过实践——处理真实的数据和真实的问题。
我们学得越多，就越意识到我们不知道的还有很多。
"You have to be ready to suffer and enjoy the suffering."
政府的职责是帮助那些无法自助的人。
The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly.