It's a story of a man who travels around, giving speeches,sometimes talking to people or teaching.

这是关于一个人周游各国，演讲布道，有时候对人们对话授课。

耶鲁公开课 - 新约课程节选

He is not a kind of socio-biologist of politics, although he sometimes appears this way when he says that man is a political animal.

他并不是一种政治学的社会生物学家，但他有时的确显得像,尤其是当他说到人类是政治动物时。

耶鲁公开课 - 政治哲学导论课程节选