So in those circumstances, I'm an advocate of active euthanasia. I think it is just as if you have a dog who was dying from some disease, you wouldn't say, well we just let nature take its call.

所以这种情况下，我通常会,支持安乐死，我认为,这就像是你的狗得了病,马上就要死了，你不会说，嗯，我们顺其自然吧。

普林斯顿公开课 - 人性课程节选

If you do that, let's call the particular time t*, then 10t*-10=0, or t* is 1 second.

这样一来,我们把这个时间记为t,所以10t*-10=0,即t*为1秒

耶鲁公开课 - 基础物理课程节选

if you're at X, let's just call you Mr. X, just to make it clear, so Mr. X is the person at position X.

如果你在X,就叫X先生,只是为了方便区分,所以X先生在X位置上

耶鲁公开课 - 博弈论课程节选