You people have no sense of humor, no sense of joy, no sense of joie de vivre. You are so young.

你们这些人啊，没有幽默感，没有娱乐精神，也没有生活的乐趣，你们太年轻了。

麻省理工公开课 - 固态化学导论课程节选

At no other point in the Republic, I think, do we see so clearly the tension between philosophical reflectiveness. on the one hand, in the sense of camaraderie, mutuality and esprit de corps necessary for political life on the other.

理想国》书中再也没有其它情节，能将这般清楚地将张力,展现在哲思深虑，化作同伴忠诚、相互关系及团队精神之间,且是天秤另一端之,政治生活所必备。

耶鲁公开课 - 政治哲学导论课程节选