If your economy grows [by] 4 percent, you ought to reduce child mortality 4 percent.

If you have democracy, people will vote for washing machines. They love them.

What I'm really worried about is war. Will the former rich countries really accept a completely changed world economy, and a shift of power away from where it has been the last 50 to 100 to 150 years, back to Asia?

Half of the energy is used by one seventh of the world's population.

I have a suggestion for a new name for the developing world. Let's call it the world.

Beyond 2050 the world population may start to decrease if women across the world will have, on average, less than 2 children. But that decrease will be slow.

We must obviously be much more clever in using resources, regulate with tax and promote innovations.