"Otherwise you have the really problematic bottom line, which is that the Central Intelligence Agency is running a program that is killing significant numbers of people and there is absolutely no accountability in terms of the relevant international laws,".

VOA: standard.2009.10.27

It's much more relevant to set our zero point energy as the separation of a bond in terms of talking about the reactions that we'll usually be dealing with here.

更好的是把零点能定在,键断裂的时刻,在讨论化学反应的时候,而我们以后将经常遇到化学反应。

麻省理工公开课 - 化学原理课程节选