Near the beginning of III, when Kay waits in Michael's office at his party to plead Anthony's case, she visibly shudders when Michael enters the room. I think that was Keaton's best scene in the Trilogy.
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.