Again, a large cosmopolitan state may allow each individual the freedom to live as he or she likes, but this is not freedom as Aristotle understands it.

一个大都会国家,可能会允许每一位个体,过他们想要过的生活的自由，但这并非,亚里士多德所认知的自由。

耶鲁公开课 - 政治哲学导论课程节选

So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.

如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。

耶鲁公开课 - 金融市场课程节选