Housing works like a trampoline. When it is pushed down far enough and long enough, it will eventually snap upward very powerfully.

I think extreme secrecy is a bad sign in all startups. Very few startups die because they tell you exactly how their technology works. On the long list of startup killers, that's pretty far down. Though on the list of entrepreneur fears, it's pretty high.

It's like trying to pin down a kangaroo on a trampoline.

China is beginning to act more like a world citizen. We need China to be more active on the world stage. For example, we should want China to be a bigger participant and a bigger shareholder in the IMF. We should want it to be an even more active participant in the G8 and G20.

The 2008 financial crisis and the Great Recession that followed have had devastating effects on the U.S. economy and millions of American lives. But the U.S. economy will emerge from its trauma stronger and widely restructured.

Monogamy is like a 40-watt bulb. It works, but it's not enough.