The results suggested that people do act differently if they think they are working with a group for a short period of time instead of a long period.

VOA: special.2009.03.03

And I write Animal Liberation to try to get people to think about that and not only think about that, but actually act differently.

我写的这本《动物解放》是为了,让人们思考这些现象,但不仅仅是思考，还要让人们做出实际行动。

普林斯顿公开课 - 人性课程节选

There's another reason I think these two sound differently and that is the following.

这也是两者听起来的另外一个不同,这是接下来的

耶鲁公开课 - 聆听音乐课程节选