A sermon by the Rev. John Ohmer for September 26, 2021. A Note from Rev. Ohmer: As mentioned at the start of the sermon, the section of this sermon regarding "open and closed sets" and their applicability to the church is alternatively, direct quotes from, or indebted to/paraphrased from the Steve Collins essay, "Policemen and Shepherds," http://smallritual.org/section4/policemenshepherds.html