That's exhilarating if you're doing well, and very crushing if you're not. It leads, in the worst cases -- in the analysis of a sociologist like Emil Durkheim -- it leads to increased rates of suicide. There are more suicides in developed, individualistic countries than in any other part of the world. And some of the reason for that is that people take what happens to them extremely personally -- they own their success, but they also own their failure.

"Information is the currency of the universe, and quantum mechanics is its language."

We are all born with a certain degree of talent. What we do with it is up to us.

"Every act of creation is first an act of destruction."

We try to buy stocks that are selling below their book value.