For me the voice is the most important, but making your singing believable makes a great performer.
A person however learned and qualified in his life's work in whom gratitude is absent, is devoid of that beauty of character which makes personality fragrant.
By philosophy the mind of man comes to itself, and from henceforth rests on itself without foreign aid, and is completely master of itself, as the dancer of his feet, or the boxer of his hands.

