The greatest tragedy of modern life is that we have everything we want, but nothing we need.

The essence of computational complexity is to understand the limits of what can be computed efficiently.

Every dictatorship is a system of organized forgetting.

人类认知最好被理解为信息处理层次的层级结构。

【释义】当商品价格高涨时，要像对待粪土一样迅速出售；当商品价格低廉时，要像对待珠玉一样大量购入。