In old days the public didn't really mind much about accuracy, but nowadays readers take it upon themselves to write to authors on every possible occasion, pointing out flaws.
It's a mystery to me how anyone ever gets any nourishment in this place. They must eat their meals standing up by the window so as to be sure of not missing anything.
It is the quietest and meekest people who are often capable of the most sudden and unexpected violences for the reason that when their control does snap, it goes entirely. (Hercule Poirot)
I like to inquire into everything. Hercule Poirot is a good dog. The good dog follows the scent, and if, regrettably, there is no scent to follow, he noses around - seeking always something that is not very nice.
I don't think necessity is the mother of invention. Invention, in my opinion, arises directly from idleness, possibly also from laziness - to save oneself trouble.
If you confront anyone who has lied with the truth, he will usually admit it - often out of sheer surprise. It is only necessary to guess right to produce your effect.
To put it quite crudely ... the poor don't really know how the rich live, and the rich don't know how the poor live, and to find out is really enchanting to both of them.