从理智的异议中寻找乐趣，因为只有尊重理智，才能比消极的服从带来更深刻的一致。

Science fiction is the literature of ideas, and the ideas are what matter.

It wasn't all romantic. I didn't have a dorm room, so I slept on the floor in friends' rooms, I returned coke bottles for the 5¢ deposits to buy food with, and I would walk the 7 miles across town every Sunday night to get one good meal a week at the Hare Krishna temple. I loved it. And much of what I stumbled into by following my curiosity and intuition turned out to be priceless later on.

农业效率绝不能以牺牲环境管理为代价。

可持续性不是一个流行词，而是一种商业必需。