Philip K. Dick's Gnostic Visions
In February 1974, a science fiction writer in Orange County came home from oral surgery, in pain and waiting on a delivery of medication. The doorbell rang. The young woman from the pharmacy wore a golden necklace shaped like a fish, and when he asked about it, she told him it was a sign used by the early Christians. Then, as he told it ever after, a beam of pink light hit him and began telling him true things. ...