Who said "Courage isn't the absence of fear; it's acting despite it."?

This quote is attributed to Lutz.

Courage isn't the absence of fear; it's acting despite it. - Lutz

"Courage isn't the absence of fear; it's acting despite it."

Lutz Courage

"I'm not a nerd. I'm scientifically gifted."

"Sometimes you just gotta do what makes you happy, even if it's weird."

"Life's too short to worry about what other people think."

"I believe in the power of science and reason."

"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."