But investment in space stimulates society, it stimulates it economically, it stimulates it intellectually, and it gives us all passion.

The Earth is not 6,000 or 10,000 years old. It's not. And if that conflicts with your beliefs, I strongly feel you should question your beliefs.

How did we let an ideological resistance to inquiry become such a prominent part of our society?

Television isn't inherently good or bad. You go to a bookstore, there are how many thousands of books, but how many of those do you want? Five? Television's the same way. If you're going to show people stuff, television is the way to go. Words and pictures show things.

There are two ways to be rich: to have more or need less. It's estimated that we squander about 30 percent of our energy leaving the lights on, the refrigerator door open, and so on. Then there is the enormous amount of food that we expend huge amounts of energy to raise and then throw away.

That's what makes a human a human, if we store information outside our bodies.

Intuitively you want some place [such as your phone] to store phone numbers, so you have that part of your brain to do other tasks.