我们都在阴沟里，但仍有人仰望星空。

I don't want to be a tree; I want to be its meaning.

I think it is often easier to make progress on mega-ambitious dreams. Since no one else is crazy enough to do it, you have little competition. In fact, there are so few people this crazy that I feel like I know them all by first name.

The first step is to establish that something is possible; then probability will occur.

Meeting energy demand while reducing emissions is the defining challenge of our time.