Who said "I taught people that work brings dignity, not shame"?

This quote is attributed to Muddy Waters.

I taught people that work brings dignity, not shame - Muddy Waters

"I taught people that work brings dignity, not shame"

Muddy Waters Work

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"

"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."