"That is the meaning of service," "That is the difference we can make when we remember our common humanity, when we embrace our common responsibilities, when we recognize our common destiny."

VOA: standard.2009.09.23

Remember when we have waves we can have positive or a negative amplitude.

记住一个波会有,正的幅值和负的幅值。

麻省理工公开课 - 化学原理课程节选

The things that they taught us in school, when they required us to remember poetry, no matter how we try, we can't forget it, and the stuff that we had to remember that was in prose, no matter how we try we can't remember it.

我们在学校所学的知识,当以诗歌的形式进行记忆时,不论怎么尝试,我们都很难忘记,但是如果让我们背诵散文,不论怎么尝试,我们都很难记住

耶鲁公开课 - 古希腊历史简介课程节选