In the book Nineteen Eighty-Four , The Party is unable to monitor the citizens ’ thoughts .
Telescreens in every building , accompanied by microphones and cameras , allow the Thought Police to identify anyone who might compromise the Party 's regime , and threat of surveillance forces citizens to display an obligatory optimism regarding the country , who are afraid for being arrested for thoughtcrime , the infraction of expressing thoughts contradictory to the Party 's ideology .
Nineteen Eighty-Four