Who said "The moment you stop moving forward, you're already dead."?

This quote is attributed to Marsellus Wallace.

The moment you stop moving forward, you're already dead. - Marsellus Wallace

"The moment you stop moving forward, you're already dead."

Marsellus Wallace Perseverance

"I don't give a damn what you know or don't know. What matters is what you do about it."

"A man's word is his bond. Without it, he's nothing."

"Success comes to those who take what they want and hold onto it."

"Fear is the tool of weak men. I don't deal in weakness."

"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."