On two occasions I have been asked (by members of Parliament!), «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.

Charles Babbage (1791-1871), diseñador de la máquina analítica, precursora del ordenador.

Inventors and Inventions, Volume 1. Marshall Cavendish, 2007