I think the notion...that liquidity is this - of tradable common stock - is a great contributor to capitalism - I think that is mostly twaddle... The liquidity gives us these crazy booms, which have many problems as well as virtues.

One of the first big bubbles, of course, was the huge and horrible South Sea Bubble in England. And the aftermath was interesting. Many of you probably don't remember what happened after the South Sea Bubble, which caused an enormous financial contraction, and a lot of pain. They banned publicly traded stock in England for decades.

Part of that, I think, is being able to tune out folly, as distinguished from recognizing wisdom. You've got whole categories of things you just bat away so your brain isn't cluttered with them. That way, you're better able to pick up a few sensible things to do.

I always like it when someone attractive to me agrees with me, so I have fond memories of Phil Fisher. The idea that it was hard to find good investments, so concentrate in a few, seems to me to be an obviously good idea. But 98% of the investment world doesn't think this way.

The world of derivatives is full of holes that very few people are really aware of. It's like hydrogen and oxygen sitting on the corner waiting for a little flame.

Let me know what your problem is, and I will try to make it more difficult for you.

In business we often find that the winning system goes almost ridiculously far in maximizing and or minimizing one or a few variables - like the discount warehouses of Costco.