For those of you who are not from MIT, - all MIT students have to take two semesters of physics all undergraduate students. For most students this is the most rigorous exposure to physics they've ever had In the first semester of physics, they study what I think was the basic nonunion mechanics.

如果你们不是麻省理工的学生，要知道麻省理工的所有学生,所有本科生---都得学两个学期的物理,对大多数学生来说,这是他们接受的最严格的物理学习,第一个学期他们学一些,基础力学。

麻省理工公开课 - 媒体、教育、市场课程节选

Tal This is not only extraordinary that he is sharing his time with us, but he's actually moved here back, moved his family back from Israel for the entire semester,-- his wife and his two little children just so he can teach this class with us.

太谦虚了，Tal，is，too，humble。,很荣幸他能给我们上课，他还把家搬来了，把家从以色列搬到这一整个学期-,包括他的妻子和他的两个孩子，只是为了能和我们一起教这门课。

哈佛公开课 - 幸福课课程节选