This one will definitely make you think about your life and your community and your responsibility to it.  We are communal human beings and we need each other, and this chapter solidifies how deeply truthful this is.  Listen and then consider purchasing your own copy of "it's a Meaningful Life" by Bo Lozoff.  This will bring a wonderful donation to the renowned work that the Human Kindness Foundation is doing.
http://humankindness.org