It is wrong expectation to expect that getting into a certain place, getting a raise, finding our dream partner, is responsible for our happiness.

错误的期望认为进入某间公司，获得升职，找到理想的伴侣，就能让自己更快乐。

哈佛公开课 - 幸福课课程节选

But the question isn't really, is there something you could do to a human being ? so that he'd be happy, or at least enjoying himself, forever?

但问题并非，是否有办法改变人类,让他快乐或起码永远享受自己？

耶鲁公开课 - 死亡课程节选