"If we refuse to take into account the full costs of our fossil fuel addiction - if we don't factor in the environmental costs and the national security costs and the true economic costs - we will have missed our best chance to seize a clean energy future."

VOA: standard.2010.06.14

And the other thing to point out, which I don't know if this is true or not, but does anyone know -- well that's part's true, does anyone know what the atomic mass of lithium is?

另外需要指出的一点是，关于这点我不知道是不是真的，有人知道--这部分是真的，有人知道锂的原子量吗？

麻省理工公开课 - 化学原理课程节选

Yes, it's 7. So, I don't know if this is true or not, but I wonder if that's where the actual name 7-Up came from.

对，是七，我不知道这是不是真的，但是我怀疑这才是,七喜名字的真正来源。

麻省理工公开课 - 化学原理课程节选

Is it or isn't it true that those things which are eternal or non-physical can only be grasped by something that is itself eternal and non-physical?

我们是否可以说,那些永恒,或非现实的事物只能被,本身是永恒和非现实的其他事物认知呢

耶鲁公开课 - 死亡课程节选

So even if determinism were true of us, that wouldn't rule out our having free will, because you can-- appearances to the contrary notwithstanding-- have both determinism and free will.

所以即使我们真的服从于决定论,那也不能排除我们有自由意志的可能,因为你能,尽管表面看来并非如此,同时遵从决定论和拥有自由意志

耶鲁公开课 - 死亡课程节选

And from the fact, even if we were to agree with it, that it would've been better if we hadn't been born-- instead of feeling sorry for unborn Larry, Larry perhaps we should envy unborn Larry; that's what the pessimists say-- even if that were true, it wouldn't follow that suicide was an appropriate response.

从这个事实讲，即使我们同意，我们没有出生更好-,与其为没出生的Larry感到遗憾，也许我们应该嫉妒未出生的;,这正是悲观主义者的观点-,即使这是对的，也得不出自杀是适合的回应的结论。

耶鲁公开课 - 死亡课程节选