真相很少是纯粹的,也绝不简单。
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。
译文:一百里的路程,走到九十里也只能算是才开始一半而已。
Any change, even a change for the better, is always accompanied by drawbacks and discomforts.
The greatest resource we have is human ingenuity.