The average investor's return is significantly lower than market indices due primarily to market timing.

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.

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

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.

One emphasis of my research has been on the question of how people spend their time. Time is the ultimate finite resource, or course, so the question of how people spend it would seem to be important.

It's a wonderful thing to be optimistic. It keeps you healthy and it keeps you resilient.

Mental effort, I would argue, is relatively rare. Most of the time we coast.