Not ignore the universal within each one of us.

不要忽视我们每一个人身上的普遍性。

哈佛公开课 - 幸福课课程节选

It just turns out that if you put the v^2 and you put the r, and r is 93 million miles, you will find the acceleration is small enough for us to ignore.

这样的话,如果你把 v^2 和 r 代进去,r 是 9300 万英里,你会发现加速度小得足以被忽略

耶鲁公开课 - 基础物理课程节选