“Be good only if being bad ain't more fun.”
“You be sweet to our boy here, and remember, be good only if being bad ain’t more fun!”
“...and remember, begood only if being bad ain’t more fun!”
“Being a good person is more than just not being a bad person.”
“There ain't nothing good that don't got real bad waiting to follow it.”
“If it ain't fun don't do it.”