"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

写作没有什么秘诀。你所要做的就是坐在打字机前，然后流血。

There is no such thing as society: there are individual men and women, and there are families.

The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.

The total amount of suffering per year in the natural world is beyond all decent contemplation.

一切东西的真实价格，即对于想要获得它的人来说真正付出的代价，是获得它所付出的辛劳和麻烦。