Who said "I never let my limitations stop me from trying."?

This quote is attributed to The Thing.

I never let my limitations stop me from trying. - The Thing

"I never let my limitations stop me from trying."

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."