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.

I'm not a great believer in self-help.

you know you have made a theoretical advance when you can no longer reconstruct why you failed for so long to see the obvious.

Slow thinking has the feeling of something you do. It's deliberate.

When you are under time pressure for a decision, you need to follow intuition.

Overconfidence is a powerful source of illusions, primarily determined by the quality and coherence of the story that you can construct, not by its validity.

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.