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."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."