Successful movements also need an organisational model that allows them to keep growing.

I might find myself standing, transfixed, by the roadside, watching a sparrowhawk hunting among the bushes, astonished that other people could ignore it. But they might just as well be wondering how I could have failed to notice the new V6 Pentastar Sahara that just drove past.

Immense wealth translates automatically into immense environmental impacts, regardless of the intentions of those who possess it.

Places that have become agricultural deserts, trashed by giant corporations, could be reforested, drawing carbon dioxide from the air on a vast scale. The ecosystems of land and sea could recover, not just in pockets but across great tracts of the planet.

I have a certain pool of subject matter that I like to write about, things that interest me: politics, religion, ecology, and relationships between men and women. And that's usually what I focus on.

The fact that free men persist in the search for the truth is the essential difference between Communism and Democracy.

The Democrats are the party that says government will make you smarter, taller, richer, and remove the crabgrass on your lawn. The Republicans are the party that says government doesn't work and then they get elected and prove it.

I'd never rule anything out, to be honest with you, whether it be the small of volunteer status for a community organization or national politics, who knows?