If you don't allow for self-serving bias in the conduct of others, you are, again, a fool.

I know just enough about thermodynamics to understand that if it takes too much fossil-fuel energy to create ethanol, that's a very stupid way to solve an energy problem.

We're emphasizing the knowable by predicting how certain people and companies will swim against the current. We're not predicting the fluctuation in the current.

They [Mc Donalds] take people and give them a first job, which enables them to get a second job. They do a very good job of educating troubled young people to be good citizens and they're probably more successful than charter schools.

If you have competence, you pretty much know its boundaries already. To ask the question (of whether you are past the boundary) is to answer it.

We look for a horse with one chance in two of winning and which pays you three to one.

You'll better understand the evil when top audit firms started selling fraudulent tax shelters when I tell you that one told me that they're better [than the others] because they only sold [the schemes] to their top-20 clients, so no-one would notice.