Liberty isn't liberalism, arbitrariness, but it's connected; it's conditioned by the great values of love and solidarity and in general by the good.
Pope Benedict XVIGod's love for his people is so great that it turns God against himself, his love against his justice.
Pope Benedict XVIIt is when we attempt to avoid suffering by withdrawing from anything that might involve hurt, when we try to spare ourselves the effort and pain of pursuing truth, love, and goodness, that we drift into a life of emptiness, in which there may be almost no pain, but the dark sensation of meaninglessness and abandonment is all the greater.
Pope Benedict XVI