Making money, it seems, is all about the velocity of moving it around, so that it can exist in Hong Kong one moment and Wall Street a split second later.

Criminal court is where bad people are on their best behavior. It's much more dangerous for lawyers and judges in family court, where good people are at their worst.

I'm always working. I don't really set limits. I tend to go in bursts. And in between, I'm doing my taxes, answering the phone, and all those kinds of things. I waste a lot of time. Computers take a lot of time. I love computers.

And it was back in the mid-1980s, and as I point out in a piece, that was when we are spending about eight percent of our gross domestic product on health care. And even then, we had the impression that so much of the excessive, aggressive medical treatment that took place at the end of life was not only unnecessary but it was cruel.

I always wanted to be a writer... 'Critical Care' was my first published work. I was 34 when it came out. I was accumulating 'Critical Care' for years. I would go for a whole year and not touch it. And then I'd go back to it.

The most interesting character to me is someone who is stuck in the no man's land between Belief and Unbelief, Faith and Faithlessness. I'm capitalizing like a German, but it doesn't matter whether it's faith in a person or in God, or belief in science or whatever, it's the desperate in-between state that makes for interesting dramatic tension.

As the financial experts all over the world use machines to unwind Gordian knots of financial arrangements so complex that only machines can make - 'derive' - and trade them, we have to wonder: Are we living in a bad sci-fi movie? Is the Matrix made of credit default swaps?