Who said "Courage ain't not bein' scared—it's doin' it anyway."?

This quote is attributed to The Thing.

Courage ain't not bein' scared—it's doin' it anyway. - The Thing

"Courage ain't not bein' scared—it's doin' it anyway."

The Thing Courage

"It's clobberin' time!"

"I'm a walking pile of rocks, but I got heart!"

"Somebody's gotta look out for the little guy."

"I ain't pretty, but I got brains."

"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."