Actually my father kept hinting to me the problem of getting good grades himself: the person who was at the exact bottom of his class (and ironically, the father of a classmate at Wharton) turned out to be a self-made merchant, by far the most successful person in his class (he had a huge yacht with his initials prominently displayed on it); another one made a killing buying wood in Africa, retired before forty, then became an amateur historian (mostly in ancient Mediterranean history) and entered politics. In