Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:

We live in a world of shadows, and we ourselves are shadows.

成功投资的关键不是预测未来，而是为未来做好准备。

"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

我认为这很少是关于你在课堂上学到的东西——它主要是关于你问自己的问题。