People have little idea, by and large, of the investment world. They are convinced they have an advantage.

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.

There is general agreement among researchers that nearly all stock pickers, whether they know it or not-and few of them do-are playing a game of chance.

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

If there is time to reflect, slowing down is likely to be a good idea.

When you analyze happiness, it turns out that the way you spend your time is extremely important.

People are very good [at] thinking about agents. The mind is set really beautifully to think about agents. Agents have traits. Agents have behaviors. We understand agents. We form global impression of their personalities. We are really not very good at remembering sentences where the subject of the sentence is an abstract notion.