The scarcest resource these days is reason. What's certainly striking about American culture today is the great hostility toward science and the decline of respect for rational scientific thinking. People seem to think that we are ruled by the scientific method and that we overvalue reason. If there was ever a period when we overvalued reason, I think that it was probably extremely brief. What I see now is a great deal of superstition, as much superstition as there has ever been. There are probably more people who believe in guardian angels than who understand the law of gravity.

I do what I do because I have a compulsion to hold forth. I don't spend a lot of time, if any, thinking about the effect my work is going to have on the world. And I have an abiding mistrust of people who think that they're going to change the world. I think that people who think that they're going to change the world are the kind of people who put bombs on airplanes.

The press and the public like certainty and affirmation of popular biases. But real science thrives on the capacity for doubt.

Interactivity has the virtue of democracy, conferring upon everyone with access to a computer the right and opportunity to be heard, but it's also saddled with democracy's vice - a tendency to assume that everyone who has a right to be heard has something to say that's worth hearing.

It is the inevitable effect of religion on public policy that makes it a matter of public concern. Advocates of religiosity extol the virtues or moral habits that religion is supposed to instill in us. But we should be equally concerned with the intellectual habits it discourages.

I don't think of myself as having a particular role. I'm lucky enough to be able to make my living essentially by expressing my opinions. But, you know, I think the world would manage quite well if I weren't doing it.

Like heterosexuality, faith in immaterial realities is popularly considered essential to individual morality.