walter matthau george burns work well together acidity willy perplexed amnesic al mixture made heaven scene meet willys flat gem final scene rounds film perfection walter matthau gives superb performance irascible semiretired comedian can intonation voice exaggerated dramatics coupled general misunderstanding going form great characterization george burns timing legendary nowhere better film calm aplomb desert dry replies memorable watch scene near end al daughter ask something spanish caretaker als reaction  priceless