Who said "I believe in myself, and that's all that matters."?

This quote is attributed to Mac.

I believe in myself, and that's all that matters. - Mac

"I believe in myself, and that's all that matters."

Mac Motivation

"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."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."