Machines built by human beings they will function correctly if we provide them with a very specific environment. But if that environment is changed they won't function at all.

Nanotechnology will let us build computers that are incredibly powerful. We'll have more power in the volume of a sugar cube than exists in the entire world today.

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

If you look at the human condition today, not everyone is well fed, has access to good medical care, or the physical basics that provide for a healthy and a happy life.

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.

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

One of the concepts essential to molecular manufacturing is that of a self-replicating manufacturing system. That concept has lagged behind in its acceptance.

One of the things that we can say with confidence is that we will have much lighter, much stronger materials, and this will reduce the cost of air flight, and it will reduce the cost of rockets.

Today we see a human population of over 6 billion people, many of whom have serious medical conditions, which either can't be treated or cannot be treated economically.

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.

I can do what I dream of doing, one breath and one step at a time.

A warrior walks alone in the dark.

When you learn a Bruce Springsteen song, it's like learning to ride a bike. You don't forget it.

If self-efficacy is lacking, people tend to behave ineffectually, even though they know what to do.

Mortality is but a stepping-stone to a more glorious existence in the future.

I felt old when I was young and I feel younger now. Maybe that's a trick of my mind, but I'm springier and lighter.

I love performing, signing autographs, taking 'selfies' with the fans. This is just what I feel like I was born to do.

I love MySpace; it's done an amazing job for me and it's been insane over the past couple of weeks, but I'm not a poster girl for them.

I've done the same thing in the world of business that winners do in the game. I watch them, admire them.

Anybody who knows about having a premature baby, it's horrific. He was part of a twin, and I lost his sister.