"While other individuals or institutions obtain their income by production of goods and services and by the peaceful and voluntary sale of these goods and services to others, the State obtains its revenue by the use of compulsion; that is, by the use and the threat of the jailhouse and the bayonet."
Murray Rothbard was an American economist and political theorist associated with the Austrian School. He wrote extensively on economics, history, and libertarian political philosophy and was a leading modern advocate of anarcho-capitalism.