" anymore. Why would they? There is a lot to learn in science without studying all the ideas that have been jettisoned over time. But this tendency creates a blind spot. By looking only at the theories that have survived, we don’t notice the failures that made them possible. This blind spot is not limited to science; it is a basic property of our world and it accounts, to a large extent, for our skewed attitude to failure. Success is always the tip of an iceberg. We learn vogue theories, we fly in astonishingly safe aircraft, we marvel at the virtuosity of true experts. But beneath the surface of success—outside our view, often outside our awareness—is a mountain of necessary failure. "

― Matthew Syed , Black Box Thinking: Why Some People Never Learn from Their Mistakes - But Some Do