The United States is not longer going to be the world's policemen and our days of determining you're in or you're out around the world no matter what the level of direct American interest or connection are going to be very limited. Increasingly, Africa will be doing that.

I think the best way to control a population is to urbanize and to educate women. We have seen historically in many, many countries that once women are educated and have opportunities, and that happens when they live in cities and once they improve their economies, they no longer want to have eight kids.

I think it's fantastically narcissistic to believe that in the entire universe, with all of the planetary systems that we've already discovered and the countless others that are out there, that we are the only forms of life.

Deeper state intervention in an economy means that bureaucratic waste, inefficiency and corruption are more likely to hold back growth.

International institutions like the Security Council, the General Assembly, the G20, the BRICs, the IMF, etc., continue to be little more than an extension of the (increasingly conflicting) values and interests of member states.

It’s foolish to talk of an “Asian century” or an “emerging market century” because events move at a pace that renders this degree of durability obsolete.

The two world wars boosted American power and devastated potential rivals to an extent that could not have lasted more than a few decades.