No matter how tough you are, golf will always find a way to humble you.

You can only find out what you actually believe (rather than what you think you believe) by watching how you act. You simply don’t know what you believe, before that. You are too complex to understand yourself.

所有发生过一次的事物都不会再发生。但是所有发生过两次的事物必定会第三次发生。

I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.

Innovation is not about inventing new things, but doing old things in new ways.