Except for some effects that I attribute mostly to age, my intuitive thinking is just as prone to overconfidence, extreme predictions, and the planning fallacy as it was before I made a study of these issues.

Human beings cannot comprehend very large or very small numbers. It would be useful for us to acknowledge that fact.

Often, the most enjoyable part of an activity is the anticipation.

Acquisition of skills requires a regular environment, an adequate opportunity to practice, and rapid and unequivocal feedback about the correctness of thoughts and actions.

If there was one ubiquitous recommendation about marriage it was this: "Don't go to bed angry."

It's clear that policymakers and economists are going to be interested in the measurement of well-being primarily as it correlates with health; they also want to know whether researchers can validate subjective responses with physiological indices.

Lucky risk takers use hindsight to reinforce their feeling that their gut is very wise. Hindsight also reinforces others' trust in that individual's gut.