You sneeze because you've got all these germs inside you and your body wants to get the germs out, so you sneeze.

你打喷嚏，因为细菌在你体内,你的身体想把他们赶出去，所以你打喷嚏。

耶鲁公开课 - 心理学导论课程节选

From this person--this perspective, a person is just a germ's way of making other germs.

从这个角度看，这个人，人来只是细菌繁殖的方式。

耶鲁公开课 - 心理学导论课程节选

So look, why am I justified in believing in germs, various kinds of viruses that I can't see, or bacteria or what have you, that I can't see?

所以,我为什么相信微生物,相信各种肉眼无法看到的病毒,细菌等诸如此类我看不到的东西确实存在

耶鲁公开课 - 死亡课程节选

So we're justified in believing in germs, but not demons.

所以,我们相信微生物理论合理,而恶魔理论则不合理

耶鲁公开课 - 死亡课程节选