Childhood 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 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 RahnerThe number one cause of atheism is Christians. Those who proclaim Him with their mouths and deny Him with their actions is what an unbelieving world finds unbelievable.
Karl Rahner