From what I've seen, you either get grounded in that kind of positive thinking early on in life or you don't. Establishing priorities and using your time well aren't things you can pick up at the Harvard Business School. Formal learning can teach you a great deal, but many of the essential skills in life are the ones you have to develop on your own.
Lee IacoccaOver the years, many executives have said to me with pride: 'Boy, I worked so hard last year that I didn't take any vacation.' I always feel like responding, "You dummy. You mean to tell me you can take responsibility for an eighty-million-dollar project and you can't plan two weeks out of the year to have some fun?
Lee Iacocca