Corn is a necessary, silver is only a superfluity.

People can't do something by themselves; they wanna tell you you can not do it.

基础设施决定论原则认为，生产和再生产的客观行为模式概率性地决定了家庭和政治经济的客观行为，进而概率性地决定了行为和思想的上层建筑。

知识的最大敌人不是无知，而是知识的幻觉。