If your business model depends on wasting resources, you're already obsolete.

You can't direct a film unless you know what the end is going to be.

I don’t think you can compare eras in tennis. Every era has its great players.

成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事情，你就会成功。

世界是一本书，不旅行的人只读了一页。