Most of the time, we think fast. And most of the time we're really expert at what we're doing, and most of the time, what we do is right.

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.

I have always believed that scientific research is another domain where a form of optimism is essential to success: I have yet to meet a successful scientist who lacks the ability to exaggerate the importance of what he or she is doing, and I believe that someone who lacks a delusional sense of significance will wilt in the face of repeated experiences of multiple small failures and rare successes, the fate of most researchers.

There is a huge wave of interest in happiness among researchers. There is a lot of happiness coaching. Everybody would like to make people happier.

In a rising market, enough of your bad ideas will pay off so that you'll never learn that you should have fewer ideas.

I would not advise people to buy a car or house without making a list. You will probably improve your intuitions by making a list and then sleeping on it.