纯粹自然状态的条件...是每个人对每个人的战争状态。

Emotions are biological signals that prepare the organism for action.

不要说不会消魂，西风卷起帘子，人比黄花还要消瘦。

The ultimate test of any economic theory is whether it improves real-world decisions.

我一直知道我会变得富有。我想我从来没有怀疑过这一点。