Let's not study just the average that says that people can't really change.

不要只研究整体,整体看来的话，人是不能改变的。

哈佛公开课 - 幸福课课程节选

This is what he says in this first passage. He says: If we study speech from several viewpoints simultaneously, the object of linguistics appears to us as a confused mass of heterogeneous and unrelated things.

这也是他在第一篇文章里说的话：,我们同时从几个角度读这篇文章，这时语言学乱的像一锅粥,没有系统毫无关联性。

耶鲁公开课 - 文学理论导论课程节选

It says "let's also study the best".

它提倡也去研究最优秀的个体。

哈佛公开课 - 幸福课课程节选