And he has a theory about early life and perfectly appropriate as far as one can tell of what pre-human form he studied.

他有一个有关早期生命的理论,一般人都会觉得很正常,他研究人类之前的生命形式没有什么不合适。

普林斯顿公开课 - 人性课程节选

It is a pre-social,a pre-political life.

这种生活脱离了社会与政治

耶鲁公开课 - 古希腊历史简介课程节选