Who said "I believe that life is the greatest performance art."?

This quote is attributed to Greta Garbo.

I believe that life is the greatest performance art. - Greta Garbo

"I believe that life is the greatest performance art."

Greta Garbo Art

Actress Swedish 1905–1990

"I want to be alone"

"I have made up my mind. I will live my own life."

"The happiness of the people is my greatest interest."

"I never loved anyone the way I loved myself."

"The stage is my true home."

"Art is the expression of the soul."

"Living well means living properly."

"Art and music are the treasures of civilization"