Capping the size of American banks won't eliminate the needs of big businesses; it will force them to turn to foreign banks that won't face the same restrictions.

I do believe that some of these regulations made the markets more volatile, and it remains to be seen how bad that can be.

As countries get wealthier - all of them, together - you're going to have financial assets. That is a good thing. You could argue the assets were traded too much, or that they're too highly valued, or too leveraged.

If the numbers are right, ICBC [Industrial & Commercial Bank of China], which already earns nearly twice as much as JPMorgan. They'll probably be going a lot faster over time, and one day they can be a lot bigger than us.

A bank is a relationship. I can't desert you and expect to have a strong relationship afterward. If I told someone, "I know you've been buying milk from me and you need milk to survive. But the price is no longer $2 a gallon. It's going to be $40 a gallon. I'm going to bankrupt you." What do you guys think of me? You would hate us.

My guess is the big Chinese banks will be in 100 countries by then. They will have very sophisticated operations, and they may very well have bought banks around the world in countries that allow it. I mean, I don't think the American government would allow them to buy JPMorgan. But they will be able to buy a sizable big bank in the U.S. at some point. Whether they do or not, or if it's allowed or not, I don't know.

Don't do anything stupd. And don't waste money. Let everybody else waste money and do stupid things; then we'll buy them.