I think you mean, "I dunno anything about the restaurant business," which is Paulie to Sonny. If so:

Q. "Don't get your feet wet."

Ntra la porta tua lu sangu � sparsu,
E nun me mporta si ce muoru accisu...
E s'iddu muoru e vaju mparadisu
Si nun ce truovo a ttia, mancu ce trasu.