So your emotional state really has a lot to do with what you're thinking about and what you're paying attention to.

That's one of the real dangers of leader selection in many organizations: leaders are selected for overconfidence.

Although professionals are able to extract a considerable amount of wealth from amateurs, few stock pickers, if any, have the skill needed to beat the market consistently, year after year.

We don't see very far in the future, we are very focused on one idea at a time, one problem at a time, and all these are incompatible with rationality as economic theory assumes it.

Lucky risk takers use hindsight to reinforce their feeling that their gut is very wise. Hindsight also reinforces others' trust in that individual's gut.

The idea that you can ask one question and it makes the point - well, that wasn't how psychology was done at the time.

When people believe a conclusion is true, they are also very likely to believe arguments that appear to support it, even when these arguments are unsound.