Positive emotions not only contribute to our success, they don't just contribute to our feeling good, they also contribute to our wellbeing.

积极情绪不仅有助成功，不仅能让我们感觉好，还有助我们获得幸福。

哈佛公开课 - 幸福课课程节选

Once you deal with happiness and then mysteries, you're really not going to want to-- What is there?

学完幸福，我们就会学神话，你们可能会想-,还有什么要学的？

耶鲁公开课 - 心理学导论课程节选