Four notes, something as simple as that, same rhythmic idea, so that's the use of a motive there and that's how these movements are tied together a little bit.

四个音符,就这么简单,同样的节奏,所以这就是动机的运用,这就是乐章间的微妙联系所在

耶鲁公开课 - 聆听音乐课程节选