Lucky vs. Repeatable

What is the more productive notion of good luck? One that is defined by totally random factors outside your control, or a matter of probability that can be increased—though not guaranteed—by the right decisions and the right preparation? Obviously, the latter. This is why successful yet mysteriously “lucky” people seem to gravitate toward it.

If making the same decision again would predictably result in the same outcome, or if changing the decision would predictably result in a different outcome, then the outcome following that decision was due to skill. The quality of our decision-making was the main influence over how things turned out. If, however, an outcome occurs because of things