So, when I threw that thing up and you caught it, what you are doing mentally was immediately figuring out where it started and at what speed.

所以当你接住我抛出的物体时,你大脑里的反应就是,立刻弄清它的初位置以及初速度

耶鲁公开课 - 基础物理课程节选

They threw me up against the wall and checked me out, because I was a kid and I wanted to go there and see, just for the purpose of history, of being there.

他们把我推到墙上开始检查,因为我是个孩子而且我想去那看看,就是为了见证历史,亲身体验

耶鲁公开课 - 1871年后的法国课程节选