Tool - something with a use on one end and a grasp on the other end.

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.

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.

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

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

The great problem with the future is that we die there. This is why it is so hard to take the future personally, especially the longer future, because that world is suffused with our absence.

When a fantasy turns you on, you're obligated to God and nature to start doing it right away.