我们都被自己过去的幽灵所困扰,有时也被别人的幽灵所困扰。
The people who are crazy enough to think they can change the world are the ones who do.
No man's knowledge here can go beyond his experience.
盖亚假说是一种将地球视为有生命的系统的方式,不是情感上的,而是作为一个系统。