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。
The mining industry has a responsibility to leave communities better than we found them.
There's a tendency to think that our present politicians are much worse than we had in the past.But we tend to forget how awful our politicians were in the past.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.