He was asking, in so many words, why historians were writing about “history,” as if time really were a simple linear causal process, when we have known, since Einstein, that this is simply not so, that time does not likely work like this at all. In effect, Couliano was asking this bracing question: How should we think and write about the history of religions, and in particularly about mystical experiences and paranormal events, in a post-Einsteinian universe?