The essence of mathematics lies in its freedom.

The Great Moderation was neither great nor a moderation.

"The key to good research is not just the method, but the clarity of the question and the quality of the data."

你做什么，你就是什么。不是你说什么，不是你相信什么，不是你如何投票，而是你把时间花在什么地方。

金钱的匮乏是所有罪恶的根源。