It would be nice if the submitter posted a non-pay walled link.
"In less dramatic ways the same principle applies to all of us. A fundamental paradox of human psychology is that thinking can be bad for us. When we follow our own thoughts too closely, we can lose our bearings, as our inner chatter drowns out common sense."
"To make good decisions in a complex world, Gigerenzer says, you have to be skilled at ignoring information. He found that a portfolio of stocks picked by people he interviewed in the street did better than those chosen by experts. The pedestrians were using the “recognition heuristic”: they picked companies they’d heard of, which was a better guide to future success than any analysis of price-earning ratios."
"How do you learn to unthink? Dylan believes the creative impulse needs protecting from self-analysis: “As you get older, you get smarter, and that can hinder you…You’ve got to programme your brain not to think too much.” Flann O’Brien said we should be “calculatedly stupid” in order to write. The only reliable cure for overthinking seems to be enjoyment, something that both success and analysis can dull. Experienced athletes and artists often complain that they have lost touch with what made them love what they do in the first place. Thinking about it is a poor substitute."