But there is yet another form of this hidden heresy, and, paradoxically, it can affect those who are proudest of their long-standing and unimpeachable orthodoxy; heresy in the form of indifference.
Karl RahnerIn the days ahead, you will either be a mystic (one who has experienced God for real) or nothing at all.
Karl RahnerChildhood is not a state which only applies to the first phase of our lives in the biological sense. Rather it is a basic condition which is always appropriate to a life that is lived aright.
Karl RahnerMeditating on the nature and dignity of prayer can cause saying at least one thing to God: Lord, teach us to pray!
Karl Rahner