"Young people need to be given the opportunity to really feel like they are making a difference in the world.

VOA: special.2009.07.01

Because I think that's actually the most satisfying life for us to live, personally, to feel that we are really making a difference somehow and we are not living just for ourselves.

我个人认为,最完满的生活，是那种，你能够感受到真正发挥了作用的生活,而不是完全地为自己而活。

普林斯顿公开课 - 人性课程节选