Mood evidently affects the operation of System 1: when we are uncomfortable and unhappy, we lose touch with our intuition. These findings add to the growing evidence that good mood, intuition, creativity, gullibility, and increased reliance on System 1 form a cluster. At the other pole, sadness, vigilance, suspicion, an analytic approach, and increased effort also go together. A happy mood loosens the control of System 2 over performance: when in a good mood, people become more intuitive and more creative but also less vigilant and more prone to logical errors.
Daniel KahnemanIf there was one ubiquitous recommendation about marriage it was this: "Don't go to bed angry."
Daniel KahnemanAll of us roughly know what memory is. I mean, memory is sort of the storage of the past. It's the storage of our personal experiences. It's a very big deal.
Daniel KahnemanIf you care about being thought credible and intelligent, do not use complex language where simpler language will do.
Daniel KahnemanIntuitive 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.
Daniel KahnemanHowever, optimism is highly valued, socially and in the market; people and firms reward the providers of dangerously misleading information more than they reward truth tellers. One of the lessons of the financial crisis that led to the Great Recession is that there are periods in which competition, among experts and among organizations, creates powerful forces that favor a collective blindness to risk and uncertainty.
Daniel Kahneman