On Liberty is John Stuart Mill's classic arguments about the problems when government control and an individual's liberty collide. With the simple axiom that government can only limit freedom when it comes to defending itself or others from harm thus preventing all actions from trying to make people behave better. Trained by his father at a young age, he maintained his dedication to his intense mental energy throughout his life. Mill's work was only interrupted during his attacks of illness. His work and arguments has been used over the years, influencing much in the way governments work.