I have always thought that underpopulated countries in Africa are vastly underpolluted.

A good rule of thumb for many things in life holds that things take longer to happen than you think they will, and then happen faster than you thought they could.

Where countries have been able to carry through on their reform commitments - as in Korea, Thailand and the Philippines - results are starting to come in the form of lower interest rates, new investment and increased growth.

All taxes discourage something. Why not discourage bad things like pollution rather than good things like working?

With uncertainty in oil markets, a buildup of speculative pressures and the large U.S. current account deficit, there is a real possibility that Paulson's crisis-management skills will be tested.

Many children are taught to believe in God. I came to believe in the power of systems analysis.

The idea that we should be open to all ideas is very different from the supposition that all ideas are equally valid.