"Eight of the ten students receiving psilocybin reported a mystical experience, while only one in the control group experienced a feeling of “sacredness” and a “sense of peace.” (Telling the subjects apart was not difficult, rendering the double-blind a somewhat hollow conceit: those on the placebo sat sedately in their pews while the others lay down or wandered around the chapel, muttering things like “God is everywhere” and “Oh, the glory!”) "