unsustainable situations usually go on longer than most economists think possible. But they always end, and when they do, it's often painful.

I think so long as fossil fuels are cheap, people will use them and it will postpone a movement towards new technologies.

I don't think I've had any great success in predicting politics or social change, nor have I really tried.

We're not going to tell you when they break out. There is a larger canvas here, and it's longer than a season. It stretches to two and three.

When she's want to accomplish something, she usually does.

The problem isn't that people don't understand how good things are. It's that they know, from personal experience, that things really aren't that good.