人而无信，不知其可也。大车无輗，小车无軏，其何以行之哉？
一个人如果不讲信用，不知道他怎么能立身处世？就像牛车没有了輗，马车上没有了軏，还靠什么行走呢？
伟大的事情都很简单。而且大多数都可以被凝结成一个简单的单词：自由；公正；荣誉；责任；仁慈；希望。
Good econometrics is like good carpentry—it's all about using the right tool for the job.
For all that has been, thank you. For all that is to come, yes!
Innovation happens when diverse minds come together.
Traditional methods become revolutionary when paired with modern accountability.
解释：国家大而政绩小，国家的影响就跟它的政绩一样；国家小而政绩大，国家的地位也大。
The best architecture is sustainable.
我无所畏惧地追求让我灵魂燃烧的东西。