Unfortunately, skill in evaluating the business prospects of a firm is not sufficient for successful stock trading, where the key question is whether the information about the firm is already incorporated in the price of the stock. Traders apparently lackthe skill to answer this crucial question, but they appear to be ignorant of their ignorance.

Most of the time, we think fast. And most of the time we're really expert at what we're doing, and most of the time, what we do is right.

Ten minutes of a smartphone in front of your nose is about the equivalent of an hour long walk in bright daylight. Imagine going for an hour long walk in bright daylight and then thinking, "Now I'll get some sleep." It ain't going to happen.

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.

It was always assumed I would be a professor. I grew up thinking it.

Intelligence is not only the ability to reason; it is also the ability to find relevant material in memory and to deploy attention when needed.

Intuitive diagnosis is reliable when people have a lot of relevant feedback. But people are very often willing to make intuitive diagnoses even when they're very likely to be wrong.