What does it mean to be free? How do you protect liberty? What role, if any, does the government and/or religion play in liberty, either in protecting it or degrading it? These are important questions that we need the answers to if we are to realize our potential as individuals and peoples. In order to understand what freedom is, how we gain it, how we preserve it, and how to increase it in the future, we must know the history of the ideas of liberty. All of those things is what this article is all about.