Who said "You can't just give up when things get tough."?

This quote is attributed to Red Forman.

You can't just give up when things get tough. - Red Forman

"You can't just give up when things get tough."

Red Forman Perseverance

"My foot in your ass."

"Dumbass."

"I'm gonna put my foot in your ass."

"That's what I love about these high school girls, man. I get older, they stay the same age."

"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."