'Man is the only creature that consumes without producing. He does not give milk, he does not lay eggs, he is too weak to pull the plough, he cannot run fast enough to catch rabbits. Yet he is lord of all the animals. He sets them to work, he gives back to them the bare minimum that will prevent them from starving, and the rest he keeps for himself. Our labour tills the soil, our dung fertilises it, and yet there is not one of us that owns more than his bare skin.
You cows that I see before me, how many thousands of gallons of milk have you given during this last year? And what has happened to that milk which should have been breeding up sturdy calves? Every drop of it has gone down the throats of our enemies. And you hens, how many eggs have you laid in this last year, and how many of those eggs hatched into chickens? The rest have all gone to market to bring in money for Jones and his men, And you, Clover, where are those four foals you bore, who should have been the support and pleasure of your old age? Each was sold at a year old- you will never see one of them again. In return for your four confinements and all your labour in the fields, what have you ever had except your bare rations and a stall?'
George Orwell, Animal Farm