I think it's likely that the civilizing effect of literature has done most of the work, and still continues to do. Look at Steven Pinker's book, The Better Angels of Our Nature: Why Violence Has Declined. It proves beyond any shadow of doubt that violence has declined dramatically throughout the centuries. There are various reasons for it: the rise of the state, Leviathan, the monopoly of violence, children's rights, animal rights. They're all positive signs.
Martin AmisI think all writers have a bit of genius in them, and a bit of talent. Genius retreats but talent improves.
Martin AmisIn America, the policeman is a working-class hero. In England, the policeman is a working-class traitor.
Martin AmisThey did more than take our youth away. They also took away the men we were going to be.
Martin AmisStanding in the nordic nook of the kitchen, I can gaze down at the flimsy-limbed joggers heading south towards the Park. It's nearly as bad as New York. Some of these gasping fatsos, these too-little-too-late artists, they look as though they're running up rising ground, climbing ground. My generation, we started all this. Before, everyone was presumably content to feel like death the whole time. Now they want to feel terrific for ever.
Martin Amis