Machines will follow a path that mirrors the evolution of humans. Ultimately, however, self-aware, self-improving machines will evolve beyond humans' ability to control or even understand them.

People talk philosophically, Oh, I don't want to live past 100.' You know, I'd like to hear them say that when they're 99.

Science fiction is the great opportunity to speculate on what could happen. It does give me, as a futurist, scenarios.

We only have to capture 1/10,000th of the solar energy landing on earth to completely satisfy all our energy needs.

If we could convert 0.03 percent of the sunlight that falls on the earth into energy, we could meet all of our projected needs for 2030.

When I was a student at MIT, we all shared one computer and it took up a whole building. The computer in your cell phone today is a million times cheaper and a thousand times more powerful. What now fits in your pocket 25 years from now will fit into a blood cell and will again be millions of times more cost effective.

We appear to be programmed with the idea that there are 'things' outside of our self, and some are conscious, and some are not.