The only certain means of success is to render more and better service than is expected of you, no matter what your task may be.

The only certain means of success is to render more and better service than is expected of you, no matter what your task may be.

无论你的任务是什么，成功的唯一确定的方法就是提供比预期更多更好的服务。

-- Og Mandino 奥格·曼狄诺