Who said "Every masterpiece was once considered impossible."?

This quote is attributed to Sergei Diaghilev.

Every masterpiece was once considered impossible. - Sergei Diaghilev

"Every masterpiece was once considered impossible."

Sergei Diaghilev Inspiration

Impresario & Entrepreneur Russian 1872–1929

"Astonish me!"

"I want you to steal."

"The public always prefers entertainment to art."

"Art should be ephemeral."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"