The premise in this law is very simple: if something can go wrong, it will. Unfortunately, things do go wrong at the worst possible moment, and where they can do the most damage.

There are two ways to look at this law: The first is a skeptical, cynical, pessimistic, or fatalistic view that merely leaves a sour taste in the mouth. The other is a view to cover all possible risk areas such that the predictable risk is surmountable with sufficient planning and redundancy. The objective in studying this law is to understand, predict or anticipate, and prepare for possible points of failure.

Murphy's Law does not work when you want it to, that is, it is not predictable nor can you rely upon something going wrong. The example is: it generally rains immediately after you wash your car, but if your lawn is dry and you wash your car hoping that it will rain and water your lawn, it won't.

The impact of Murphy's Law is that if it is not anticipated and planned for, it could be very disruptive...