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 “There are two ways of constructing a software design. One way is to make it so simple that there are obviously no deficiencies. And the other way is to make it so complicated that there are no obvious deficiencies.” - C.A.R. Hoare ©