You should be sharing your risks with someone who's completely different-- probably living on the other side of the world in a completely different industry, where the weather, the institutions, and the political situation are completely different.

你应该跟,与你截然不同的人-,也许是住在世界另一端的人,从事毫不相关的行业的人，生活在完全不同的气候，制度，以及政治环境里的人来分摊。

耶鲁公开课 - 金融市场课程节选