The brain weighs only three pounds, yet it is the most complex object in the solar system.

Scientists willing to risk their reputations on higher dimensions soon found themselves ridiculed by the scientific community. Higher-dimensional space became the last refuge for mystics, cranks, and charlatans.

The best theory comes from string theory, which states that dark matter is nothing but a higher vibration of the string. We are, in some sense, the lowest octave of a vibrating string.

In fact, all of us have a piece of Chernobyl in our bodies going back to 1986.

There's the caveman in us. The caveman in you says, "I want direct contact. I don't want a picture." The caveman in our body says once in a while, we have to go outside. We have to meet real people, talk to real people, and do real things.

I believe that science is the engine of prosperity, that if you look around at the wealth of civilization today, it's the wealth that comes from science.

My point is, no one can stop the Internet. No one can stop that march. It doesn't mean that it's going to be smooth, though.