Who said "You'd be surprised what you're capable of when you try."?

This quote is attributed to Shrek.

You'd be surprised what you're capable of when you try. - Shrek

"You'd be surprised what you're capable of when you try."

Shrek Motivation

"Ogres are like onions. We have layers."

"I'm a believer. I believe in you."

"Just because I can't see something doesn't mean I can't fight it."

"The world judges you on who you are inside."

"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."