When a generation talks just to itself, it becomes more filled with folly than it might have otherwise.

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.

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.

Redefine the possible.

Likewise, with solar, especially here in California, we're discovering that the 80 solar farm schemes that are going forward want to basically bulldoze 1,000 sq. mi. of southern California desert. Well, as an environmentalist, we would rather that didn't happen.

Information wants to be free, because the cost of getting it out is getting lower and lower all the time.