文明是一条有岸的河流。河流有时充满了人们杀戮、偷窃、喊叫和做历史学家通常记录的事情的血，而在岸上，不被注意，人们建造家园，做爱，抚养孩子，唱歌，写诗，甚至雕刻雕像。文明的故事是发生在岸上的故事。

Innovation in forestry isn't optional—it's essential for survival.《The Green Frontier》

"We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct."

The past is a place of reference, not a place of residence.

基础设施决定论原则认为，基础设施的结构决定了上层建筑的结构。