6. Ability to quietly breathe as often as text and phrase permit.
7. Ability to breathe so that the fullest inspiration brings no fatigue.
8. Ability to so economize the breath that the reserve is never exhausted.
9. The ability to breathe so naturally, so unobtrusively, that neither breath nor lack of breath is ever suggested to the listener—this is the very perfection of the art.
CHAPTER IV
Breathing Exercises
Enough has been said in the [preceding chapter] to make clear the necessity of breath control, and to show what constitutes this control for the singer—the professional breather.
If the singer's breathing is nothing but an amplification of normal, healthy breathing, why dwell upon it, why not let it develop of itself?