Groups tend to be more extreme than individuals.

Our memory tells us stories, that is, what we get to keep from our experiences is a story.

If individuals are rational, there is no need to protect them against their own choices.

The conclusion is straightforward : self-control requires attention and effort.

Overconfidence is a powerful source of illusions, primarily determined by the quality and coherence of the story that you can construct, not by its validity.

You know, the standard state for people is 'mildly pleasant.' Negative emotions are quite rare, and extremely positive emotions are rare. But people are mildly pleased most of the time, they're mildly tired a lot of the time, and they wish they were somewhere else a substantial part of the time - but mostly they're mildly pleased.

One of the problems with expertise is that people have it in some domains and not in others.