However, beyond just feeling good, happiness also contributes to our life, to our relationships.

然而除了感觉好，快乐还对我们的人生有帮助，对人际关系有帮助。

哈佛公开课 - 幸福课课程节选

And of course, since it's not just black and white, good life or bad life, but various shades of gray, better lives and worse lives, what's the yardstick by virtue of ? which we measure better and worse lives?

因为不是单纯的黑白，好或坏的人生，两者是混杂的，更好的人生和更坏的人生，衡量更好和更坏人生的,道德标准是什么？

耶鲁公开课 - 死亡课程节选