On the tenth anniversary of 9/11, I offer once again some reflections I wrote on the fifth anniversary for a course on Catholic social thought using fundamental theological concepts of German Catholic theologian Johann Baptist Metz. For part one of “’We Will Never Forget’”: Metz, Memory, and the Dangerous Spirituality of Post-9/11 America,” click here. Part two is here. Part three is here. And part four is here. Part one includes a new introduction written two years ago which still expresses well my thoughts on 9/11 and on the state of the churches in the U.S. in the ten years since.