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

What became of the principle "better to save five lives even if it means sacrificing one?"

我们“牺牲一人保全五人“的这条原则,到底出了什么问题呢“

耶鲁公开课 - 公正课程节选

Their lives should be better.

俄国人们的生活应该更好一点

耶鲁公开课 - 欧洲文明课程节选