Quote by 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."

"The greatest adventure is life itself."

"The adventure of life begins with a single step."

"Adventure finds you when you stop running."

"Fortune and glory, kid."