...
A hideous ecstasy of fear and vindictiveness, a desire to kill, to torture, to smash faces in with a sledge-hammer, 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.
...
The next moment a hideous, grinding speech, as of some monstrous machine running without oil, burst from the big telescreen at the end of the room. It was a noise that set one's teeth on edge and bristled the hair at the back of one's neck. The Hate had started.
-George Orwell, 1984