""Rights are a moral concept - and morality is a matter of choice. Men are free not to choose man's survival as the standard of their morals and their laws, but not free to escape from the fact that the alternative is a cannibal society, which exists for a while by devouring its best and collapses like a cancerous body, when the healthy have been eaten by the diseased, when the rational have been consumed by the irrational. Such has been the fate of your societies in history, but you've evaded the knowledge of the cause. I am here to state it: the agent of retribution was the law of identity, which you cannot escape. Just as man cannot live by means of the irrational, so two men cannot, or two thousand, or two billion. Just as man can't succeed by defying reality, so a nation can't, or a country, or a globe. A is A. The rest is a matter of time, provided by the generosity of victims."
- Atlas Shrugged, Ayn Rand, pg 1061-1062