“Lop the top-end tail off the distribution of human intelligence and creativity,” he went on, “and it would… — Charles Sheffield

“Lop the top-end tail off the distribution of human intelligence and creativity,” he went on, “and it would make no measurable difference to the population. Only one person in a billion is out beyond the six-sigma level. That’s what we’re talking about here. But eventually those one-in-a-billion make a huge difference. Ninety-five percent of all human progress comes from less than one thousandth of one percent of the population.”

p. 285Source: Wikiquote · CC BY-SA 4.0