And it's up to you,to take responsibility, to bridge the Ivory tower and Main Street.

能否搭起学校与社会的桥梁，取决于我们自己。

哈佛公开课 - 幸福课课程节选

If there's a group, responsibility to help decreases and this is captured in different ways but the main idea is we all think someone else will help so we don't. There's a diffusion.

如果是一群人，帮助的责任就会分散变小,这体现在多个方面,但最主要的想法就是我们都认为别人会帮助,所以我们就不帮助了，责任被分散了。

耶鲁公开课 - 心理学导论课程节选