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

数学的美在于它既精确又富有创造性。

The best way to predict the future is to create it.

The act of writing is an act of optimism.

The past is part of our present, and thus part of our future.

实证研究者最重要的技能不是数学，而是判断力。