There's no unemployment in squatter cities. Everyone works. One-sixth of humanity is there. It's soon going to be more than that.

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.

Once a new technology rolls over you, if you're not part of the steamroller, you're part of the road.

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

We are as gods and might as well get good at it.

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