The student must constantly compare his tone as it is sung with the picture in his mind.

Training the voice is therefore largely a training of mind and ear, a developing of nicety in discrimination.

Singing is mental rather than physical, psychologic rather than physiologic.

Think therefore of the effect desired rather than of the process.
In considering the details of voice production analytically we are apt to forget that man, notwithstanding his complexity, is a _unit_ and acts as a unit.

Back of all and underlying man's varied activity is the psychical.