The extreme inequalities in the manner of living of the several classes of mankind, the excess of idleness in some, and of labour in others, the facility of irritating and satisfying our sensuality and our appetites, the too exquisite and out of the way aliments of the rich, which fill them with fiery juices, and bring on indigestions, the unwholesome food of the poor, of which even, bad as it is, they very often fall short, and the want of which tempts them, every opportunity that offers, to eat greedily and overload their stomachs; watchings, excesses of every kind, immoderate transports of all the passions, fatigues, waste of spirits, in a word, the numberless pains and anxieties annexed to every condition, and which the mind of man is constantly a prey to; these are the fatal proofs that most of our ills are of our own making, and that we might have avoided them all by adhering to the simple, uniform and solitary way of life prescribed to us by nature. Jean-Jacques Rousseau, A Discourse Upon the Origin and the Foundation Of The Inequality Among Mankind