Who said "You can't play something if you don't understand it."?

This quote is attributed to Miles Davis.

You can't play something if you don't understand it. - Miles Davis

"You can't play something if you don't understand it."

Miles Davis Knowledge

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."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."