“Oh yes, but with both people and computers on the job, computer error can be more quickly tracked down and corrected by people and, conversely, human error can be more quickly corrected by computers. What it amounts to is that nothing serious can happen unless human error and computer error take place simultaneously. And that hardly ever happens.” “Hardly ever, but not never, eh?” said Seldon. “Almost never, but not never. Computers aren’t what they used to be and neither are people.”