And, believe it or not, I have students walk in and first thing a hand goes up and says do you have a pen? I cannot believe it.

不管信不信，我有些学生走进来，第一件事就举起手问,你有没有笔，难以置信。

麻省理工公开课 - 固态化学导论课程节选

I'm sure you all do know people who believe in it.

我肯定你们都认识一些相信这个观点的人

耶鲁公开课 - 死亡课程节选

For those of you who still do believe in the existence of souls I suppose you could take a great deal in discussions that follows as some form of large conditional or subjunctive if there were no souls then here's what we have to say.

如果你们有人,还是相信灵魂的存在,或者你可以从以下的讨论里,也学到一些东西,把讨论看成有条件性和假定性的,假设没有灵魂,然后就是我们要讨论的东西。

耶鲁公开课 - 死亡课程节选