"People can do things in their own lives, with their children, they can do work in their communities to improve it and once you take those steps, the next logical step is to make sure that your government officials are doing the right thing."

VOA: standard.2010.04.25

You can take heat energy and convert it to work energy and vice versa, and it doesn't say anything about that you have to waste heat if you're going to transform heat into work.

你可以把热能便成功,也可以反过来,但它对于如果你要把热变成功,就必须浪费热量这件事只字未提,它只是说这是能量。

麻省理工公开课 - 热力学与动力学课程节选

It's simple whether that you walk to work, or you take 20 minutes during your lunch break to walk around the gorgeous campus or town that we are live in.

这很容易做到，无论你是走路上班，还是每天午休时花上二十分钟,在美丽的校园,或是你所在的城市转一转。

普林斯顿公开课 - 人性课程节选

Unsurprisingly, you've got the ability to do decent work in this class and most of you have the ability to do good work, and some of you have, a fair chunk of you have, the ability to do excellent work, though it may take some work on your part to get to that point.

不奇怪，你已经有能力去做极好的作业,并且大多人有能力做好作业，一些人有，是大部分人有，有能力去做极好的作业，尽管这需要花费一些功夫才能做到。

耶鲁公开课 - 死亡课程节选