Writing down everything that can go wrong is the only proper response to Murphy's Law. Only when you've written them all down, do you have a list of things to

Writing down everything that can go wrong is the only proper response to Murphy's Law. Only when you've written them all down, do you have a list of things to actively expect to go wrong, and prevent or mitigate. It is the difference in handling risk between using knowledge, skill, technology, and planning to manage risk, vs relying on Pure Dumb Luck and hoping to get away with something.