Who said "You can't give up, no matter how tough things get."?

This quote is attributed to The Thing.

You can't give up, no matter how tough things get. - The Thing

"You can't give up, no matter how tough things get."

The Thing Perseverance

"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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."