On two occasions I have been asked, — “Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?” In one case a member of the Upper, and in the other a member of the Lower, House put this question. I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.
— Charles Babbage, Passages from the Life of a Philosopher (1864), chapter 5, Difference Engine No. 1
— Charles Babbage, Passages from the Life of a Philosopher (1864), chapter 5, Difference Engine No. 1