Measurement and categorization are, of course, fundamental to any scientific endeavor, but the implications of being able to identify psychopaths are as much practical as academic. To put it simply, if we can't spot them, we are doomed to be their victims, both as individuals and as a society.

Language and words for psychopaths are only word deep; there is no emotional colouring behind it. A psychopath can use a word like, 'I love you' but it means nothing more to him than if he said, 'I'll have a cup of coffee.'

Psychopaths view any social exchange as a 'feeding opportunity,' a contest or a test of wills in which there can be only one winner. Their motives are to manipulate and take, ruthlessly and without remorse.

There are certainly more people in the business world who would score high in the psychopathic dimension than in the general population. You'll find them in any organization where, by the nature of one's position, you have power and control over other people and the opportunity to get something.

My parents couldn't give me a whole lot of financial support, but they gave me good genes. My dad is a handsome son-of-a-gun, and my mom is beautiful. And I've definitely been the lucky recipient. So, thank you, Mom and Dad.

The truth is we need to build an economy going forward with all of us, when we all move forward and the payment of a national debt is not the responsibility of one group of Americans versus another.

In some respects, inside information is a form of financial steroid. It is unfair: it is offensive; it is unlawful; and it puts a black mark on the entire enterprise.

A lot of things drew me to Texas. One is the wilderness: It's pretty close to wide open spaces, which I didn't grow up around and I love. You don't have to have a lot of money to have a view: The view is the sky, and it's everywhere.