A hideous ecstasy of fear and vindictiveness, a desire to kill, to torture, to smash faces in with a sledgehammer, seemed to flow through the whole group of people like an electric current, turning one even against one’s will into a grimacing, screaming lunatic.
– George Orwell
1984. Part 1, Chapter 1. Describes the ‘Two Minutes Hate’, the daily public period during which Party members must watch a film depicting Goldstein and other enemies or the state, so they can loudly express hatred for them.