Who said "You gotta have conviction in what you believe."?

This quote is attributed to Red Forman.

You gotta have conviction in what you believe. - Red Forman

"You gotta have conviction in what you believe."

Red Forman Courage

"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."

"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."