“It is a commonplace that every age, or almost every age, thinks that its own time is one of special difficulty. The barbarians seem always to be at the gate. Alas, in our present day this is rather too literally so. But what many fail to realise is that the barbarians are a more various and numerous group than just those unspeakable villains who behead hostages in the desert. Barbarians might also wear ties and travel business class, they might occupy seats of power in government. They might be us, ourselves, when we give up certain civil liberties and betray our own values in the spurious belief that this will protect us from terrorism, organised crime, unwelcome immigration. Forms of dismantling civilisation might differ, but the result is the same.”