A moral maturity as it comes to economic systems, as it comes to how we treat our most vulnerable, how we do foreign policy, what are some of the pathways as you see in front of us as we do moral maturity as we grow up?

经济体质的道德成熟，对待弱者的道德成熟，怎样制定外交政策，在我们逐渐成长的过程中,你认为我们有什么途径能够达到道德成熟吗？

普林斯顿公开课 - 人性课程节选

If we want to know the possibilities for spiritual growth, value growth or moral development in human being, then I maintain that we can learn most by studying our most moral,ethical,or saintly people.

如果想知道心灵成长的可能性，人类价值增长或道德发展的可能性，那我认为，我们可以研究,最道德或圣洁的人。

哈佛公开课 - 幸福课课程节选