Who said "To change the world, one must first change oneself."?

This quote is attributed to Émile Zola.

To change the world, one must first change oneself. - Émile Zola

"To change the world, one must first change oneself."

Émile Zola Change

Novelist French 1840–1902

"The only way to deal with an unfree world is to become so absolutely free that very existence is an act of rebellion."

"I am my brother's brother, and I feel that I cannot be happy while he is wretched."

"Life is a beautiful struggle."

"The artist's task is to save the soul of mankind."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."