Who said "Motivation comes from believing in what you're doing."?

This quote is attributed to Diane Nguyen.

Motivation comes from believing in what you're doing. - Diane Nguyen

"Motivation comes from believing in what you're doing."

Diane Nguyen Motivation

"I'm not a bad person. I'm just a person in a bad situation."

"You can't keep doing the same thing and expecting different results."

"I think the key to being happy is not giving a shit what anyone thinks."

"I want to be a good person. I want to help."

"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."