The extra daily social time of 1.7 hours in weekends raises average happiness by about 2%.

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.

People just hate the idea of losing. Any loss, even a small one, is just so terrible to contemplate that they compensate by buying insurance, including totally absurd policies like air travel.

Slow thinking has the feeling of something you do. It's deliberate.

Except for some effects that I attribute mostly to age, my intuitive thinking is just as prone to overconfidence, extreme predictions, and the planning fallacy as it was before I made a study of these issues.

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

I have always emphasized the willingness to discard.