"Economics, like thermodynamics, rests on three principles: You get what you pay for; You can't get something for nothing; And if supply and demand can't be balanced by price adjustments, you get shortages. Bases on these things: Politics is the art of denying these principles. Public policy is the science of implementing programs based on these denials until crisis survives, at which point dueling lobbyists work to shift blame to convenient villains. Business is the craft of seeking profits in a market distorted by public policy without becoming a designated villain."