When you understand a sentence I said you have to have the capacity to understand a sentence even if you've never heard it before.

当你在理解我所说的一句话时,你必须要拥有理解这句话的能力,即使你在之前从未听到过这句话

耶鲁公开课 - 心理学导论课程节选

I've never understand this until I've taught it.

如果我没这样教的话,我永远都不会明白。

麻省理工公开课 - 媒体、教育、市场课程节选