Expertise is simply the wisdom that emerges from cellular error. Mistakes aren't things to be discouraged. On the contrary, they should be cultivated… - Jonah Lehrer

Even when alternative views are clearly wrong, being exposed to them still expands our creative potential. In a way, the power of dissent is the power of surprise. After hearing someone shout out an errant answer, we work to understand it, which causes us to reassess our initial assumptions and try out new perspectives. “Authentic dissent can be difficult, but it’s always invigorating,” [Charlan] Nemeth [a professor of psychology at the University of California at Berkeley] says. “It wakes us right up.

People who are more rational don't perceive emotion less, they just regulate it better.

The advantage of knowing where insights come from is that it can make it easier to generate insights in the first place. When we’re struggling with seemingly impossible problems, it’s important to find time to unwind, to eavesdrop on all those remote associations coming from the right hemisphere. Instead of drinking another cup of coffee, indulge in a little daydreaming. Rather than relentlessly focusing, take a warm shower, or play some Ping-Pong, or walk on the beach.