Do what's good for humans, modeled on how humans already do things; ignore what's convenient for computers.

The point is to explore whatever may be helpful for thinking, understanding, and acting responsibly over long periods of time.

The technology of synthetic biology is currently accelerating at four times the rate of Moore's Law. It's been doing that since 2005, and it's likely to continue.

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.

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.

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