[...] The Christian church faced a common problem from the fourth century onwards, when it became the state religion: how does one reconcile feudal class society, in which rich lords ruled over impoverished peasants, with the egalitarian poverty of the collective of believers as described in the Gospels? The solution of Thomas Aquinas is that, while, in principle, shared property is better, this holds only for perfect humans; for the majority of us, who dwell in sin, private property and difference in wealth are natural, and it is even sinful to demand the abolition of private property or to promote egalitarianism in our fallen societies, i.e., to demand for imperfect people what befits only the perfect. [...]