How often I have found that we grow to maturity not by doing what we like, but by doing what we should. How true it is that not every 'should' is a compulsion, and not every 'like' is a high morality and true freedom.
Karl RahnerBut 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 RahnerNot everybody, however, has a genuine sense of humor. That calls for an altruistic detachment from oneself and a mysterious sympathy with others which is felt even before they open their mouths. Only the person who has also a gift for affection can have a true sense of humor. A good laugh is a sign of love; it may be said to give us a glimpse of, or a first lesson in, the love that God bears for every one of us.
Karl Rahner