“In the course of life, there are the great majority of successful people who have to change their direction at about age sixty. There is a very small minority of purpose-driven people who have to concentrate and not change and I can’t tell you which you are going to be. The decision is going to come up. Decision is perhaps the wrong word—as you grow older, are you focusing more on doing the things that give you achievement and satisfaction and growth or more on the things that have an impact outside of yourself?”