If nothing is touching the body, there are no forces on it, with one exception which is, of course, gravity.

如果没有实体接触,那么它就不受作用力,当然一个例外那就是引力

耶鲁公开课 - 基础物理课程节选

But he invokes it to show that if one really reads it carefully enough, one can see that the lesson to be drawn has nothing whatsoever to do with the due and timely investment of one's talent.

他为了证明如果一个人足够认真的读过，他就可以看出其实这个寓言的意义与,准时和适时投资都没有关系。

耶鲁公开课 - 弥尔顿课程节选