Quote by Elie Metchnikoff

"The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes of mind, but it is better to alter our intestinal flora first."

Elie Metchnikoff Science
Immunologist Russian 1845–1916

More from Elie Metchnikoff

"Man can adapt himself to anything, but he cannot adapt himself to anything without effort."
"The study of the lower organisms is the key to the understanding of man."
"Optimism is a moral duty."
"Life is a process of constant transformation."

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