The value of an economic model lies in its ability to explain and predict.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

我不后悔过去，它造就了今天的我。

Writing is a way of life, a way of understanding the world and of understanding ourselves.

Global competition demands local understanding.

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

英雄和恶棍之间的界限往往是模糊的。