As for longterm effects, scientists are trying to answer unending questions, but have few answers: About drinking water contamination?

VOA: standard.2010.06.08

But precisely, the human part of you is going to rebel at the unending parade of simple rat-like pleasures.

更确切地，你的人性会反抗,一股股永无止尽的单调的老鼠般的快感。

耶鲁公开课 - 死亡课程节选

If I'm right in thinking immortality would be undesirable, then the fact that we're going to die is good, because it guarantees that we won't be immortal, which would be a nightmare, an unending nightmare.

如果永生不值得期许的观点是对的，那么我们终将一死的事实是好的，因为它保证我们不得永生，那是恶梦，一场永无止尽的恶梦。

耶鲁公开课 - 死亡课程节选

I want to make you a richer person, a broader person, by instilling you with an unending deep and abiding understanding of classical music, so that's part of this, and not just here for Yale but for your life after Yale.

我希望你们成为更有内涵的人,心胸更加宽广的人,通过循循善诱,让你们体会到古典音乐的博大精深,这是一点,并不只在耶鲁大学,还有你以后的人生道路

耶鲁公开课 - 聆听音乐课程节选