It proves that identifying and correcting small signs of disorder before they grow into bigger problems can be an important step in fighting the spread of crime.

VOA: special.2009.03.03

He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.

他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。

麻省理工公开课 - 媒体、教育、市场课程节选

Relax. It can't be that important."

放轻松，别大惊小怪“

耶鲁公开课 - 文学理论导论课程节选

It's important to keep in mind always that what we do can be fun And never lose that sense of fun and enjoy exploring things I think being an engineer is partly just problem-solving and mind-set.

有一点非常重要,就是始终牢记我们所做的事情是令人愉快的,不要丧失了这种愉悦感,要享受探索的乐趣,我认为成为一名工程师从某种程度上来说,就意味着解决问题，提出创意。

普林斯顿公开课 - 领导能力简介课程节选