The first rule of success, and the one that supersedes all others, is to have energy. It is important to know how to concentrate it, how to husband it, how to focus it on important things instead of frittering it away on trivia.
The whole, though it be long, stands almost complete and finished in my mind so that I can survey it at a glance. Nor do I hear in my imagination the parts successively, but I hear them, as it were, all at once. What delight this is I cannot tell!