Who said "The voice must always serve the truth of the story."?

This quote is attributed to Joan Sutherland.

The voice must always serve the truth of the story. - Joan Sutherland

"The voice must always serve the truth of the story."

Joan Sutherland Truth

Opera Soprano Australian 1926–2010

"I am just a girl who loves to sing and to share that gift with others."

"The voice is a muscle that needs to be trained and respected."

"You must always strive for perfection, but you must never believe that you can achieve it."

"Hard work is the price of success."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."