Everyone engaged in research must have had the experience of working with feverish and prolonged intensity to write a paper which no one else will read or to solve a problem which no one else thinks important and which will bring no conceivable reward - which may only confirm a general opinion that the researcher is wasting his time on irrelevancies.

Democracy is a danger to any powerful group.

I am a child of the Enlightenment. I think irrational belief is a dangerous phenomenon, and I try to consciously avoid irrational belief. On the other hand, I certainly recognize that it's a major phenomenon for people in general, and you can understand why it would be. It does, apparently, provide personal sustenance, but also bonds of association and solidarity and a means for expressing elements of one's personality that are often very valuable elements. To many people it does that. In my view, there's nothing wrong with that.

There's something deeply rooted in American culture. You can pretty much identify what it was. You take a look at the history. It was internal conquest. You had to defend yourself against what the Declaration of Independence, Thomas Jefferson, an enlightened figure, called the attacks of the "merciless Indian savages," whose known way of warfare was torture and destruction. Also you had a slave population, you had to protect yourself against them. You needed guns.

The development of space technology, including space warfare today, is similar in its technological-industrial significance to the development of navies a hundred years ago.

The person who wins the Nobel Prize is not the person who read the most journal articles and took the most notes on them. It's the person who knew what to look for. And cultivating that capacity to seek what's significant, always willing to question whether you're on the right track - that's what education is going to be about, whether it's using computers and the Internet, or pencil and paper, or books.

A very large majority of the U.S. population is in favor of establishing diplomatic relations with Cuba and has been for a long time with some fluctuations. And even part of the business world is in favor of it, too. But the government won't allow it.