Who said "To be true to oneself is the greatest victory."?

This quote is attributed to Edvard Munch.

To be true to oneself is the greatest victory. - Edvard Munch

"To be true to oneself is the greatest victory."

Edvard Munch Truth

Expressionist Painter Norwegian 1863–1944

"Nature itself is not fixed, but flows"

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

"A scream pierces through nature"

"Life begins where fear ends"

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."