Who in the same given time can produce more than others has vigor; who can produce more and better, has talents; who can produce what none else can, has genius.
He knows not how to speak who cannot be silent; still less how to act with vigor and decision. Who hastens to the end is silent; loudness is impotence.
The less you can enjoy, the poorer, the scantier yourself,--the more you can enjoy, the richer, the more vigorous.