It's not that hard to imagine the natural world recovering it's health in our absence: it's more difficult, and more necessary, to imagine it recovering its health in our presence.

Copenhagen has done a remarkable job creating streets that are focused on bicycles and pedestrians.

I think there's a gigantic generation gap in terms of how people understand the Internet and how much they think technology is an important factor in social change.

Optimism is a political act. Those who benefit from the status quo are perfectly happy for us to think nothing is going to get any better. In fact, these days, cynicism is obedience.

Urban retrofitting: creating different sorts of spaces and uses out of places that are already there.

If mass media, social isolation in the suburbs, alienating workplaces and long car commutes create a bunker mentality, the Internet does the opposite.

By looking at climate change as a clean energy generation problem, we're setting ourselves up not to solve it.

It's not just enough to survive. We've got to make something better than what we've got.

The denser places get, the lower the amount of energy people use to get around it.

We have to craft new political realities, not only in places like India, Afghanistan, Kenya, Pakistan, but here at home as well. Another world is possible.

Cabbies in particular seem to like discussing the fate the Earth.

Attempt easy tasks as if they were difficult and difficult as if they were easy in the one case that confidence may not fall asleep in the other that it may not be dismayed.

Impulse arrested spills over, and the flood is feeling, the flood is passion, the flood is even madness.

Antisappointment. Anticipation colliding head-on with the certainty of its own doom.

I have no pity! I have no pity! The more worms writhe, the more I yearn to crush out their entrails! It is a moral teething, and I grind with greater energy, in proportion to the increase of pain.

I think as a filmmaker you try not to have any expectations other than that the film have a fairly substantial beginning, middle and end.

Behind every mystery lies another mystery.

You name it and I've done it. I'd like to say I did it my way. But that line, I'm afraid, belongs to someone else.

People can get certain good things out of fame, but until it killed a princess nobody ever talked about how bad it can be.

I don't support hate speech. I don't want to support a racist football team or bands that are offensive.

America would be a better place if leaders would do more long-term thinking.