Who said "The written word is more powerful than the spoken word."?

This quote is attributed to Émile Zola.

The written word is more powerful than the spoken word. - Émile Zola

"The written word is more powerful than the spoken word."

Émile Zola Literature

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."

"The pen is mightier than the sword."

"Literature opens the mind to new worlds"

"The interesting thing about books is that they're made of words."

"Literature captures the essence of what it means to be human."