But obviously a state which becomes progressively more and more of a unity will cease to be a state at all. Plurality of numbers is natural in a state; and the farther it moves away from plurality towards unity, the less of a state it becomes and the more a household, and the household in turn an individual.
AristotleWhen there is no middle class, and the poor greatly exceed in number, troubles arise, and the state soon comes to an end.
AristotleThe intelligence consists not only in the knowledge but also in the skill to apply the knowledge into practice.
Aristotle