Who said "The silence of solitude often speaks louder than words."?

This quote is attributed to Émile Zola.

The silence of solitude often speaks louder than words. - Émile Zola

"The silence of solitude often speaks louder than words."

Émile Zola Solitude

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."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."