We see an entire planet which has many limitations.

If you think the technology is infeasible, you don't worry about what it might do and what its potential is.

We are looking at a future where to a first approximation everyone is wealthy.

The new technologies that we see coming will have major benefits that will greatly alleviate human suffering.

Nanotechnology is an idea that most people simply didn't believe.

Because of technological limits, there is a certain amount of food that we can produce per acre. If we were to have intensive greenhouse agriculture, we could have much higher production.

We see an entire planet which has many limitations.