That's why I'm teaching chemistry. Electrochemistry is the most important branch of chemistry.

那就是我教化学的原因，电化学,则是化学最为重要的分支。

麻省理工公开课 - 固态化学导论课程节选

And I think this is expressed in Hobbes' novel and in many ways altogether unprecedented teaching about liberty in chapter 21, a very famous and important chapter.

霍布斯的这一思想曾出现在他的小说中,以及本书第21章记载的,他在教学时对自由的见解中，本书第21章可是很有名且很重要的一章。

耶鲁公开课 - 政治哲学导论课程节选