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

Because you see, also motivation and energy-- you don't need research for that, you know that when you are feeling good, you have more motivation, you have more energy-- of course, there is a lot of research to back that up.

因为动力和精力-,不需要研究就能明白，你知道感觉好时，动力和精力更充沛-,当然有很多研究支持这一点。

哈佛公开课 - 幸福课课程节选