A democracy exists whenever those who are free and are not well-off, being in the majority, are in sovereign control of government, an oligarchy when control lies with the rich and better-born, these being few.
AristotleFor those who possess and can wield arms are in a position to decide whether the constitution is to continue or not
AristotleA government which is composed of the middle class more nearly approximates to democracy than to oligarchy, and is the safest of the imperfect forms of government.
AristotleWhy is it that all men who are outstanding in philosophy, poetry or the arts are melancholic?
Aristotle