Conflito

We find, then, in Aristotle's thought about the civilized city, an idea we first encountered in the Antigone: the idea that the value of certain constituents of the good human life is inseparable from a risk of opposition, therefore of conflict.

Martha C. Nussbaum, The Fragility of Goodness: Luck and Ethics in Greek Tragedy and Philosophy, Cambridge, 2009 (23ª reimp.).