When you see that money is exchanged for goods and services, not for favors and flattery, that your work is not a plea, but a demand, that no one can give you what you have not earned, and that no one can earn for you what you have not given, when you see that the men who get rich by conquest do so by force, and the men who get rich by trade do so by virtue, then you will know that money is the root of all good.
Objectivism, Atlas Shrugged