He talks about the nobility of the poem, the force from within it being equal to the force that might be applied from without.

他认为诗歌的高贵，是指诗歌内部的力量,也可以运用到诗歌外部。

普林斯顿公开课 - 人性课程节选

There are no other molecules on that side of the wall. So there's an attractive force that makes the velocity within not quite as fast.

墙的另一边没有分子,因此吸引力,会降低球的速度。

麻省理工公开课 - 热力学与动力学课程节选

Part of the poem's force derives from the status of this moment as something remembered, and remembered within the context of a nation at war.

诗歌的一部分力量来源于,事情被记起那一刻的状态，并且是在国家处于战争时期的情况下记起的。

耶鲁公开课 - 现代诗歌课程节选