Outside the entrance which we would shortly transit was a little man in overalls and a cap, and he was brooming. And it wasn't a nice broom with uniform nylon bristles, more like the broomstick stolen by Dorothy from the Wicked Witch of the West. And this guy was pumping it like an Olympic brooming champ, as if his was the single most important task between civilization and the barbarians. And maybe it was ...
This is from a very nice post by Tim Kane titled The Key to Human Capital? Edison Knew.
It is a nice reminder that the vast majority of breakthroughs and successes arise through lots of brooming over many years, and not a single eureka insight.