> On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out? ' I am not able rightly to

> On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out? ' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.