We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.

政治理论研究不应局限于西方经验，而应拥抱全球视野。

知识在心灵中以符号结构的形式表征。

不理解一个人，就往往会把他当成傻瓜。

农业的未来在于尊重土地和劳动者的可持续实践。