Who said "I have been my own worst enemy and my greatest ally."?

This quote is attributed to Frida Kahlo.

I have been my own worst enemy and my greatest ally. - Frida Kahlo

"I have been my own worst enemy and my greatest ally."

Frida Kahlo

Surrealist Painter Mexican 1907–1954

"Feet, what do I need you for when I have wings to fly?"

"I paint myself because I am so often alone and because I am the subject I know best."

"I am my own muse, I am the subject I know best. The subject I want to know better."

"Courage is the base everything moral is built upon."