Henri Nouwen told the story of a student who, many years after graduation, returned to sit in his old professor's office where so many questions had been answered and so many problems had been solved. When the student entered he told his professor that he didn't need anything, he came just to visit, to be together. They sat for a while in silence and looked at each other. One broke the silence by telling the other how nice it was to see each other. The other agreed, and then t…