“There is a saying I heard in college, that “communism works great in theory until you add people”. My more liberal friends love to tell me that “libertarianism works great in theory until you add people”, but they’re completely wrong. Libertarianism is the only political theory that truly works with people, because it is the only philosophy which recognizes people for their very natures. People are self-interested, they’re selfish and greedy and they want for themselves. They may want other things as well, but they are primarily concerned with their own survival and their own success. Libertarianism, by allowing for that fact, recognizes that each of us will pursue our own desires, and thus the moral imperative is simply that we step back when our desires conflict with another’s. My right to swing my fist ends where your body begins.”
Read more at The Libertarian Republic.