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

I know this is true, that is, I know I have the reputation, both because I periodically in my student evaluations get told I'm one of Yale's harsher graders, and because every now and then the Yale Daily News will have an article about grade inflation and they'll always ask me, " ... Well Professor Kagan is somebody..."

这是真的，而我之所以有这样的名声,是因为在学生定期评估时,我被告知自己是耶鲁最严厉的人之一，还因为那不时出现的耶鲁日间新闻,有篇文章会谈到关于成绩膨胀的事,人们总会问我“,卡刚教授“

耶鲁公开课 - 死亡课程节选