Who said "I never stopped learning, even when I became famous"?

This quote is attributed to Muddy Waters.

I never stopped learning, even when I became famous - Muddy Waters

"I never stopped learning, even when I became famous"

Muddy Waters Knowledge

Blues Guitarist Singer American 1915–1983

"I am the blues"

"The blues is a feeling"

"When you got the blues, you just play them"

"I got the blues so bad, till I can't sleep at night"

"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."