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It took Francis Galton several years to figure out that correlation and regression are not two concepts – they are different perspectives on the same concept. The general rule is straightforward but has surprising consequences: whenever the correlation between two scores is imperfect, there will be regression to the mean.

— Daniel Kahneman Thinking, Fast and Slow (2011)

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More quotes by Daniel Kahneman

People who make a difference do not die alone. Something dies in everyone who was affected by them.

Nothing in life is as important as you think it is when you are thinking about it.

Thinking, Fast and Slow (2011)

A reliable way to make people believe in falsehoods is frequent repetition, because familiarity is not easily distinguished from truth.

Thinking, Fast and Slow (2011)

Confidence is a feeling, which reflects the coherence of the information and the cognitive ease of processing it.

Thinking, Fast and Slow (2011)

He weights losses about twice as much as gains, which is normal.

Thinking, Fast and Slow (2011)

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Quote text and notes from Wikiquote: Daniel Kahneman (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.