Groups tend to be more extreme than individuals.

It is the consistency of the information that matters for a good story, not its completeness. Indeed, you will often find that knowing little makes it easier to fit everything you know into a coherent pattern.

My interest in well-being evolved from my interest in decision making - from raising the question of whether people know what they will want in the future and whether the things that people want for themselves will make them happy.

Below an income of ... $60,000 a year, people are unhappy, and they get progressively unhappier the poorer they get. Above that, we get an absolutely flat line. ... Money does not buy you experiential happiness, but lack of money certainly buys you misery.

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 deeply want to be led by people who know what they're doing and who don't have to think about it too much.

If people do not know what is going to make them better off or give them pleasure, then the idea that you can trust people to do what will give them pleasure becomes questionable.