The real challenge is to work out what aliens might actually be like.

What is important is that we have the ability to create.

I think the next century will be the century of complexity.

But a machine that was powerful enough to accelerate particles to the grand unification energy would have to be as big as the Solar System - and would be unlikely to be funded in the present economic climate.

I have to speak through a computer... in my mind, I am free. Free to explore the universe and ask the big questions...

There is a real danger that computers will develop intelligence and take over. We urgently need to develop direct connections to the brain so that computers can add to human intelligence rather than be in opposition.

We could call order by the name of God, but it would be an impersonal God. There's not much personal about the laws of physics.