Anton Pannekoek didn't encourage radical workers and other activists of the anti-Bolshevik left to see revolutionary potential in his work in astronomy, for the simple reason that he was honest, and knew there was none to speak of.

Private companies can make a personal profile, direct you to things - they will say - that you would be interested in, but that's their choice not your choice.

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.

I choose to live in what I think is the greatest country in the world, which is committing horrendous terrorist acts and should stop.

Anarchism means all sort of things to different people but the traditional anarchists' movements assumed that there'd be a highly organized society, just one organized from below with direct participation and so on. Actually, one piece of the media confusion has a basis because there really are two different strands in the occupy movement, both important, but different.

Surely no rational or realistic person will discount the possibility that [during wartime] the United States might suddenly resort to nuclear weapons. Those who retain the instinct for survival, not to speak of minimal concern for their fellow man, will seek ways to act before rather than after the event.

While I think in principle people should not have irrational beliefs, I should say that as a matter of fact, it is people who hold what I regard as completely irrational beliefs who are among the most effective moral actors in the world, in many respects. They're among the worst, but also among the best, even though the moral beliefs are ostensibly the same.