无畏不是没有恐惧。不是完全不害怕。无畏是有恐惧。无畏是有怀疑。很多怀疑。无畏是尽管有这些，依然每天生活。

爱情不需要理由。它来自心灵非理性的智慧。

The greatest illusion of all is the illusion of separation.

It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.

——《民族主义第一讲》

Diversity of thought isn't just good ethics; it's good business strategy for complex energy challenges.