The effort invested in 'getting it right' should be commensurate with the importance of the decision.

Most things that couples disagree upon aren't worth more than a day's combat.

The illusion of skill is not only an individual aberration; it is deeply ingrained in the culture of the [investment management] industry.

To know whether you can trust a particular intuitive judgment, there are two questions you should ask: Is the environment in which the judgment is made sufficiently regular to enable predictions from the available evidence? The answer is yes for diagnosticians, no for stock pickers. Do the professionals have an adequate opportunity to learn the cues and the regularities? The answer here depends on the professionals' experience and on the quality and speed with which they discover their mistakes.

We don’t choose between experiences, we choose between memories of experiences. Even when we think about the future, we don’t think of our future normally as experiences. We think of our future as anticipated memories.

Optimism is normal, but some fortunate people are more optimistic than the rest of us. If you are genetically endowed with an optimistic bias, you hardly need to be told that you are a lucky person - you already feel fortunate.

The 'Instagram Generation' now experiences the present as an anticipated memory