“Anything not worth doing is worth not doing well.”
“Anything not worth doing is worth not doing well. Think about it.”
“Anything worth doing is worth doing poorly--until you can learn to do it well.”
“If a thing's worth doing at all, it's worth doing well.”
“You must master the vices. You know that if a thing is worth doing it's worth doing well. If, however, a thing is not worth doing then it's worth doing fabulously, amazingly, with grace, style and panache.”
“Anything worth doing, is worth doing right.”