Poverty is clearly one source of emotional suffering, but there are others, like loneliness. A policy to reduce the loneliness of the elderly would certainly reduce suffering.

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

The concept of loss aversion is certainly the most significant contribution of psychology to behavioral economics.

People's mood is really determined primarily by their genetic make-up and personality, and in the second place by their immediate context, and only in the third and fourth place by worries and concerns and other things like that.

To better avoid errors, you should talk to people who disagree with you and you should talk to people who are not in the same emotional situation you are.

All of us roughly know what memory is. I mean, memory is sort of the storage of the past. It's the storage of our personal experiences. It's a very big deal.

The idea that you can ask one question and it makes the point - well, that wasn't how psychology was done at the time.