As you gain elevation [on the mountain] your IQ goes down - but your emotional affect goes up, which is great for having a mythic experience, whether you want to or not.

Information wants to be free. Information also wants to be expensive.

Over the next ten years, I predict, the mainstream of the environmental movement will reverse its opinion and activism in four major areas: population growth, urbaninzation, genetically engineered organisms, and nuclear power.

The main problem with solar on the Earth's surface is that it is so intermittent, and we don't have decent storage yet.

The urgent finds you; you have to find the important. Importance is not fast. It is slow. It is not superficial. It is deep. And as a result, it's extremely powerful. When important matters go wrong, they undermine everything. When they go right, they sustain everything.

A building is not something you finish. A building is something you start.

Carbon tax has the advantage of basically being able to subsidize one set of activities that you want with another set of activities that you don't want. It's like a cigarette tax.