社会系统是个人与个人之间、群体与群体之间关系的网络。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

Sustainability isn't an option; it's a necessity for the future of energy.

I've never been interested in being average.

写作是对时间侵蚀的抵抗。