To be useful, your beliefs should be constrained by the logic of probability. - Daniel Kahneman

...the characters are useful because of some quirks of our minds, yours and mine. A sentence is understood more easily if it describes what an agent (system 2) does than if it describes what something is, what properties it has.

Nothing in life is as important as you think it is, while you are thinking about it

The prominence of causal intuitions is a recurrent theme in this book because people are prone to apply causal thinking inappropriately, to situations that require statistical reasoning.