Richard Feynman said you don't really understand something unless you can explain it to freshmen in a single lecture. Same concept, really. The interesting con

Richard Feynman said you don't really understand something unless you can explain it to freshmen in a single lecture. Same concept, really. The interesting consideration, to me, is how much we can get done with hardly any understanding at all. That's human nature. We do things, then we wonder how, and then we eventually come to understand what the hell we just did. It seems bass-ackwards, but that's the way it goes most of the time.