Pareto’s Principle, it turns out, is as real as the law of gravity, and yet most people fail to see the gravity of it. It’s not just a theory—it is a provable, predictable certainty of nature and one of the greatest productivity truths ever discovered. Richard Koch, in his book The 80/20 Principle, defined it about as well as anyone: “The 80/20 Principle asserts that a minority of causes, inputs, or effort usually lead to a majority of the results, outputs, or rewards.
