Who said "Work with purpose, not just for payment."?

This quote is attributed to Miles Davis.

Work with purpose, not just for payment. - Miles Davis

"Work with purpose, not just for payment."

Miles Davis Work

Jazz Trumpeter Composer American 1926–1991

"Do not fear mistakes. There are none."

"Man, sometimes it snows in April."

"If you understood everything I said, you'd be me."

"Don't play what's there, play what's not there."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."