The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.

The best legacy we can leave is a living one.

We need to design policies that work with human psychology, not against it.

可持续的基础设施应该平衡经济、社会和环境的效益。

No man really knows about other human beings. The best he can do is to suppose that they are like himself.

我们都在互相陪伴着回家。

我们不是从祖先那里继承地球；我们是从子孙那里借来的。这一原则指导着我们迈出的每一步。