People who live in states have as a rule never experienced the state of nature and vice-versa, and have no practical possibility of moving from the one to the other ... On what grounds, then, do people form hypotheses about the relative merits of state and state of nature? ... My contention here is that preferences for political arrangements of society are to a large extent produced by these very arrangements, so that political institutions are either addictive like some drugs, or allergy-inducing like some others, or both, for they may be one thing for some people and the other for others.