Music gravitates around a home pitch and in the Beethoven Fifth symphony we still haven't gotten the home pitch.

音乐的音高一般会围绕着主音高浮动,在贝多芬的第五交响乐中　,我们还没发现这个主音高

耶鲁公开课 - 聆听音乐课程节选

And the question posed by the Republic, in many ways, the question around which the book as a whole gravitates, is whether this thumotic quality can be controlled.

而《理想国》所提呈的问题，在很多方面，这些整本书,重点环绕的问题，是这些，Thumos，特质是否能受控制。

耶鲁公开课 - 政治哲学导论课程节选