When you buy high and sell low it's really hard to generate returns, even if you do it with great enthusiasm and great volume.

当你高价买入低价卖出时,是很难产生回报的,不管你有多大交易热情或有多大交易量

耶鲁公开课 - 金融市场课程节选

This is the issue for Socrates, how to channel this wild and untamed passion of spirit or heart, how to channel this to some kind of common good.

这是苏格拉底面临的难题，如何引导,这野性不驯的精神或内心热情，如何将其引导至某种共同的良善。

耶鲁公开课 - 政治哲学导论课程节选