Who said "The most wasted of all days is one without laughter."?

This quote is attributed to Émile Zola.

The most wasted of all days is one without laughter. - Émile Zola

"The most wasted of all days is one without laughter."

Émile Zola Humor

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."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."