We are all shaped by the invisible hand of evolution.

Writing is like driving at night in the fog. You can only see as far as your headlights, but you can make the whole trip that way.

The most pleasing of all sounds, that of your own praise.

你不能仅仅为了建筑而建筑。你必须为人民而建筑。

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。

我不害怕任何人，但我尊重每个人。

"La verdadera libertad está en la mente y en el corazón."

我喜欢讲故事而不解释它。我喜欢让它开放结局。

"The world is a book, and those who do not travel read only one page."

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.