[I]n the seed of the city of the just, a malignant seed is hidden, in its turn: the certainty and pride of being in the right--and of being more just than many others who call themselves more just than the just. This seed ferments in bitterness, rivalry, resentment; and the natural desire of revenge on the unust is colored by a yearning to be in their place and act as they do. Another unjust city, though different from the first, is digging out its space within the double sheath of the unjust and just Berenices. [p. 162]

Having said this, I do not wish your eyes to catch a distorted image, so I must draw your attention to an intrinsic quality of this unjust city germinating inside the secret just city; and this is the possible awakening--as if in an excited opening of windows--of a later love for justice, not yet subjected to rules, capable of reassembling a city still more just than it was before it became the vessel of injustice. But if you peer deeper into this new germ of justice you can discern a tiny spot that is spreading like the mounting tendency to impose what is just through what is unjust, and perhaps this is the germ of an immense metropolis . . . . [A]ll the future Berenices are already present in this instant, wrapped one within the other, confined, crammed, inextricable. [pp. 162-3]

from: Le Città Invisibili by Italo Calvino