I'm often asked how I define "success. " It's an overused term, but I fundamentally view this elusive beast as a combination of two things - achievement and appreciation. One isn't enough: Achievement without appreciation makes you ambitious but miserable. Appreciation without achievement makes you unambitious but happy.
Liberty, then, is the sovereignty of the individual, and never shall man know liberty until each and every individual is acknowledged to be the only legitimate sovereign of his or her person, time, and property, each living and acting at his own cost; and not until we live in a society where each can exercise his right of sovereignty at all times without clashing with or violating that of others.