We quantify intelligence (IQ), academic performance (grades), body weight (pounds or kilograms), running speed, and all sorts of other personal characteristics. But perhaps more useful than any of those numbers would be a measure of open-mindedness. | We quantify intelligence (IQ), academic performance (grades), body weight (pounds or kilograms), running speed, and all sorts of other personal characteristics. But perhaps more useful than any of those numbers would be a measure of open-mindedness. |