For the past 33 years， I have looked in the mirror every morning and asked myself: 'If today were the last day of my life， would I want to do what I am about to do today？' And whenever the answer has been 'No' for too many days in a row， I know I need to change something.

The real challenge is to create something that has meaning beyond its function.

The past is a resource that can be used in the present.

The most important part of teaching is to teach what it is to know.

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

最好的交易者不是那些最常正确的人，而是那些在错误时损失最少的人。