How do you know that your parents, at least one of your parents satisfies the definition? Well I've reduced the problem from am I a natural born US citizen to is one of my parents a natural born US citizen?

这是一个递归的定义，你怎么知道你的父母,至少其中一个是满足天生的美国公民,这个定义的呢？,我已经把我是一个天生的美国公民这个问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

So how do you feel call to this, but how did you like to say, I remember when I told my parents I was going to seminary, So I think there is a similar identity.

你对于做教士这件事是怎么想的，你当时是怎样想到，我记得当时对父母说我要去神学院时，所以我们的这种经历是类似的。

普林斯顿公开课 - 人性课程节选