To a large degree, since the beginning of time, charisma or the lack of it has impacted upon those in quest of acclaim. As media expands, this has become ever more vital. Thus, demeanor if unappealing, can defeat one's likelihood of success, causing the death of prospects whilst they are still embryonic.
Success in your work, the finding a better method, the better understanding that insures the better performing is hat and coat, is food and wine, is fire and horse and health and holiday. At least, I find that any success in my work has the effect on my spirits of all these.
I've come to embrace the notion that I haven't done enough in my life. I've come to confirm that one's title, even a title like president of the United States, says very little about how well one's life has been led. No matter how much you've done or how successful you've been, there's always more to do, always more to learn, and always more to achieve.
When nature removes a great man, people explore the horizon for a successor; but none comes, and none will. His class is extinguished with him. In some other and quite different field, the next man will appear.