Who said "Do what you have to do, to do what you want to do."?

This quote is attributed to Duke Ellington.

Do what you have to do, to do what you want to do. - Duke Ellington

"Do what you have to do, to do what you want to do."

Duke Ellington Motivation

Jazz Composer Pianist American 1899–1974

"Music is my life, it's my soul, it's everything I do in this world."

"Do not fear mistakes. There are none."

"A wise man doesn't give the right answer, he poses the right question."

"There are simply two kinds of music, good music and the other kind."

"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."