Who said "I never accepted the word 'impossible' in my vocabulary."?

This quote is attributed to Maria Callas.

I never accepted the word 'impossible' in my vocabulary. - Maria Callas

"I never accepted the word 'impossible' in my vocabulary."

Maria Callas Motivation

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."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."