Who said "I do what I do, and I do it well."?

This quote is attributed to Freddie Mercury.

I do what I do, and I do it well. - Freddie Mercury

"I do what I do, and I do it well."

Freddie Mercury Work

Rock Singer British-Tanzanian 1946–1991

"I won't be a rock star. I will be a legend."

"Don't stop me now, I'm having such a good time."

"I see life as quite absurd."

"You can be anything you want to be, just turn yourself inside out."

"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."