真相很少是纯粹的,也从不简单。
Life is about growth and change. When you stop growing, you stop living.
I'm always looking for ways to improve, even when I'm at the top.
进步的概念必须建立在灾难的观念之上。
机械的完美在于以最小的摩擦和浪费产生预期的效果。