This is the second time I've had occasion to post this quote here in the last week: "The major difference between a thing that might go wrong and a thing that

This is the second time I've had occasion to post this quote here in the last week: "The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair." -- Douglas Adams