Management is about arranging and telling. Leadership is about nurturing and enhancing.
Inspiring visions rarely (I'm tempted to say never) include numbers.
Quality involves living the message of the possibility of perfection and infinite improvement, living it day in and day out, decade by decade.
Everyone has a chance to learn, improve, and build up their skills.
We are all Michaelangelos.
Leaders' careers will usually be determined by their handling of one or two critical events that no one could possibly anticipate or plan for.