The Law of Raspberry Jam: the wider any culture is spread, the thinner it gets.

You've got to think about big things while you're doing small things, so that all the small things go in the right direction.

The great growling engine of change - technology.

I work virtually every waking hour.

The next major explosion is going to be when genetics and computers come together. I'm talking about an organic computer - about biological substances that can function like a semiconductor.

Technology feeds on itself. Technology makes more technology possible.

It is better to err on the side of daring than the side of caution.

Our technological powers increase, but the side effects and potential hazards also escalate.

Parenthood remains the greatest single preserve of the amateur.