Who said "One must be willing to stand alone for one's principles."?

This quote is attributed to Maria Callas.

One must be willing to stand alone for one's principles. - Maria Callas

"One must be willing to stand alone for one's principles."

Maria Callas Courage

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."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."