Who said "Motivation comes from within; no one can give it to you."?

This quote is attributed to Odo.

Motivation comes from within; no one can give it to you. - Odo

"Motivation comes from within; no one can give it to you."

Odo Motivation

"I'm not a customer, I'm the law."

"Rules are all we have."

"You can't apply logic to the illogical."

"I find that most people are rather predictable."

"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."