Who said "Courage is not the absence of fear, but action despite it."?

This quote is attributed to Elie Metchnikoff.

Courage is not the absence of fear, but action despite it. - Elie Metchnikoff

"Courage is not the absence of fear, but action despite it."

Elie Metchnikoff Courage

Immunologist Russian 1845–1916

"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."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."