It's a bubble. It has to have intrinsic value. You have to really stretch your imagination to infer what the intrinsic value of Bitcoin is. I haven't been able to do it. Maybe somebody else can.

I do not deny that many appear to have succeeded in a material way by cutting corners and by manipulating associates, both in their professional and in their personal lives. But material success is possible in this world and far more satisfying when it comes without exploiting others.

And whatever their publicized angst over Saddam Hussein's 'weapons of mass destruction,' American and British authorities were also concerned about violence in an area that harbors a resource indispensable for the functioning of the word economy. I am saddened that it is politically inconvenient to acknowledge what everyone knows: the Iraq war is largely about oil.

I was a fairly good amateur musician, and I was an average professional. But the one thing I saw was that the big band business was fading.

At the risk of some oversimplification, if the skill composition of our work force meshed fully with the needs of our increasingly complex capital-stock, wage-skill differentials would be stable, and the percentage changes in wage rates would be the same for all job grades.

Clearly, sustained low inflation implies less uncertainty about the future, and lower risk premiums imply higher prices of stocks and other earning assets. We can see that in the inverse relationship exhibited by price/earnings ratios and the rate of inflation in the past. But how do we know when irrational exuberance has unduly escalated asset values, which then become subject to unexpected and prolonged contractions as they have in Japan over the past decade?

The use of a growing array of derivatives and the related application of more-sophisticated approaches to measuring and managing risk are key factors underpinning the greater resilience of our largest financial institutions... Derivatives have permitted the unbundling of financial risks.