In an essay written two years before dying , Dick described how he learned from his Episcopalian priest that an important scene in the novel was very similar to a scene in the Book of Acts . In an essay written two years before dying , Dick described how he learned from his Episcopalian priest that an important scene in Flow My Tears , the Policeman Said -- involving its other main character , Police General Felix Buckman , the policeman of the title -- was very similar to a scene in the Book of Acts .