Give me priests who are fat and corrupt and cynical,(. . . ) the sort who like to sit on soft satin cushions, nibble sweetmeats, and diddle little boys. It's the ones who believe in gods who make the trouble. (Tyrion)
Anyone who grew up in the psychedelic '60s probably experienced their share of hypnagogic fireworks. Just as sex got me hooked on anatomy, so drugs were probably what first got me interested in entoptic phenomena, phosphenes, and hypnagogic imagery.