One of the most powerful learning tools is taking on the role of a teacher. And, the teaching of other adults offers a great opportunity to learn from others who bring their own life experience and insights into the classroom.
I love this clip. And more or less anything on this channel. From which lectures did you take these, please? Not managed to find many online. He does say somewhere that he himself would read The Great Books on a regular basis as a solitary exercise; I'm curious as to how he negotiated the two positions?