Who said "The hardest workers often die the most bitter."?

This quote is attributed to The Seven Deadly Sins.

The hardest workers often die the most bitter. - The Seven Deadly Sins

"The hardest workers often die the most bitter."

The Seven Deadly Sins Work

"Greed is the only truth that matters in this world."

"Why settle for crumbs when you can devour the entire feast?"

"Envy festers in the hearts of those too weak to take what they deserve."

"Your pride is nothing but a fragile shell waiting to be crushed."

"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."