“LSD was not a pharmacological agent generating exotic experiences by its interaction with the neurophysiological processes in the brain. This remarkable substance was clearly an unspecific catalyst of the deep dynamics of the human psyche. The experiences induced by it were not neurochemical artifacts, symptoms of a toxic psychosis as mainstream psychiatrists called it, but genuine manifestations of the human psyche itself.”

“LSD was not a pharmacological agent generating exotic experiences by its interaction with the neurophysiological processes in the brain. This remarkable substance was clearly an unspecific catalyst of the deep dynamics of the human psyche. The experiences induced by it were not neurochemical artifacts, symptoms of a toxic psychosis as mainstream psychiatrists called it, but genuine manifestations of the human psyche itself.”

— Stanislav Grof