Beware the purifiers, those fanatics who are committed absolutely to the purification of the world, at whatever human cost. Such is the urgent message of scholars and commentators who have been watching carefully the resurgence of a massively destructive but very seductive extremist ideology — revolutionary millennarianism.
It is a quasi-religious creed that seeks an earthly paradise, a new truth, a new humanity, and a new civilisation that is miraculously pure, militantly equal, free…
