Who said "The key to success is never stopping, never quitting."?

This quote is attributed to Mac.

The key to success is never stopping, never quitting. - Mac

"The key to success is never stopping, never quitting."

Mac Success

"I am a five-star man, and I deserve a five-star woman."

"You know what it is, bitch? A system of pipes."

"I'm not gonna be ignored, Dan."

"When I'm dead, inside or out, that's when you'll know I'm gone."

"Success comes to those who never give up."

"Success is measured by happiness, not money."

"You make your own luck in this world."

"You have to be organized to be successful in anything."