Precision agriculture isn't replacing farmers - it's empowering them.
预测未来的最好方式就是创造未来。
The cognitive map is not a picture or a model in the head, but a dynamic, changing representation of the environment.
The history of all hitherto existing society is the history of class struggles.
当你有酒有肉的时候，很多兄弟朋友跟着你，可是当你遇到紧急危难的时候，却连一个人也看不到。
The highest purpose is to have no purpose at all. This puts one in accord with nature in her manner of operation.