"I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit."
政策规则优于自由裁量，因为它们避免了时间不一致性问题。
There is no trap so deadly as the trap you set for yourself.
在这两种情况中，肉体都占主导地位，而且极其敏感，心灵则成了无言的器官，漠不相关的判断。
To realize one’s nature perfectly---that is what each of us is here for.
The only way to do great work is to love what you do.