Who said "The voice is merely the vehicle for the spirit."?

This quote is attributed to Maria Callas.

The voice is merely the vehicle for the spirit. - Maria Callas

"The voice is merely the vehicle for the spirit."

Maria Callas Music

Opera Soprano Greek-American 1923–1977

"You have to fight to reach your dream. You have to sacrifice and work hard for it."

"If music is the food of love, play on."

"I am my own sanctuary and I can be reborn as many times as I choose throughout my life."

"The mission of an artist is to save the soul of mankind."

"Music is the language of the soul."

"My music comes from my heart."

"Music transcends all language barriers."

"Music is the universal language of love."