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

I'm not sure if it's altogether true, but it's a good story, at least, about the famous German philosopher who said that on his first teaching of the Republic, he went through the whole book, ! taught the whole book in one seminar, one semester.

不确定是否都对，但是讲得很好，至少，讲者是著名德国哲学家,他在首堂讲授《理想国》的课中如此提问，然后教完整本巨著，整本巨著在一个学期内教完，一个学期。

耶鲁公开课 - 政治哲学导论课程节选