Only around 2% of the earth's surface is cultivatable land.

The Sierra Club in the United States has now really come out for population control and reduction.

Cost recovery is the polite way of saying, make families pay to educate their children.

If we wait for the U.S. to do something, we will be waiting for a very long time. It's Europe, it's Australia, it's the other developed and middle developing countries that have got to do the job.

If you cut down a forest, it doesn't matter how many sawmills you have if there are no more trees.

The real fight is about what should be in the marketplace and what should not. Should education be a marketable commodity? Should healthcare?

I think the market is always going to be around. The goal is not to say, let's get rid of the market, because the market does render a huge number of services, and I don't want to have a fight about the price of something every time I buy a book or a bottle of water.