It's nonsense to say money doesn't buy happiness, but people exaggerate the extent to which more money can buy more happiness.

I don't try to be clever at all. The idea that I could see what no one else can is an illusion.

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

The confidence that individuals have in their beliefs depends mostly on the quality of the story they can tell about what they see, even if they see little.

It doesn't take many observations to think you've spotted a trend, and it's probably not a trend at all.

The psychologist, Paul Rozin, an expert on disgust, observed that a single cockroach will completely wreck the appeal of a bowl of cherries, but a cherry will do nothing at all for a bowl of cockroaches.

We have associations to things. We have, you know, we have associations to tables and to - and to dogs and to cats and to Harvard professors, and that's the way the mind works. It's an association machine.