The Nature of the Gods (3:16:41), p. 325, compare to Catholic transubstantiation
Against the Galileans
(2), “Eucharist,” p. 241
The Natural History of Religion (12), p. 57
Macbeth (5:1:35-67), Lady Macbeth walking and talking in her sleep, ritual is a close cousin to obsessive compulsive disorder (OCD)